US Cancer Organizations Directory

The largest voluntary cancer organization in the US: a 24/7 helpline, free Hope Lodge accommodation near treatment centers, rides to treatment, research grants and its own screening guidelines.

Forbes 2025 largest-charities list, #24: 81% of expenses went to programs, 83% of donations raised went to the cause.

The oldest and largest cancer research professional organization in the US; publishes the annual AACR Cancer Progress Report.

The main professional society for practicing oncologists; publishes treatment guidelines and the patient-facing Cancer.Net.

Funds cancer immunotherapy research exclusively and runs a clinical trial finder for immunotherapy trials.

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ASCO's foundation, funding early-career oncology researchers and global oncology training.

Funds early-career cancer scientists at the postdoctoral and new-investigator stage.

An alliance of leading cancer centers that publishes the treatment guidelines most US oncologists follow, plus free patient versions.

Funds collaborative 'Dream Team' research grants that require institutions to work together rather than compete.

Funds cancer research grants nationwide, with a policy of directing 100% of direct donations to research.

Funds and translates research on diet, weight and physical activity in cancer risk; co-publishes the global evidence reports with WCRF.

Advocacy organization working on tobacco control policy in the US and internationally.

Focuses solely on cancer prevention and early detection, funding screening-access projects and research.

The largest US nonprofit working on tobacco and nicotine use, the single biggest preventable cause of cancer.

The American Cancer Society's advocacy affiliate, lobbying on cancer research funding, Medicaid coverage and tobacco policy.

Funds breast cancer research worldwide, with a high proportion of revenue going to grants.

A large medically reviewed patient information library and peer community for breast cancer.

Education and peer support across the whole course of breast cancer, including metastatic and young-adult programs.

Awareness and peer connection for men with breast cancer, a group routinely left out of breast cancer messaging.

Volunteer-led organization funding stage IV breast cancer research only, and run by metastatic patients.

A national African American breast cancer survivors' organization running outreach and screening-access programs.

The largest breast cancer organization in the US: research funding, a patient helpline and treatment-assistance grants.

Works on breast cancer in young women and on the disparities facing Black patients, who have higher mortality.

Focused specifically on people diagnosed with breast cancer under 40, where fertility and treatment intensity differ.

Lung health organization running smoking-cessation programs, the Lung Cancer Screening initiative and a helpline.

Lung cancer helpline, screening navigation, treatment-center accreditation program and research funding.

Funds lung cancer research grants and runs patient education programs.

The largest lung cancer-focused nonprofit in the US: research funding, patient education and peer support.

Funds local screening-access and awareness projects through its Get Your Rear in Gear events.

Helpline, patient navigation, financial aid and research funding, with a focus on rising rates in younger adults.

Advocacy-led colorectal cancer organization running patient education and federal research-funding campaigns.

Liver cancer awareness, patient education and research awards.

The main patient and research organization for bile duct cancer, including a patient registry and trial finder.

Focused on stomach cancer: patient support, awareness and research advocacy.

Works on the link between chronic reflux and esophageal cancer, and on earlier detection.

Liver health advocacy organization covering liver cancer prevention, hepatitis and policy.

Funds pancreatic cancer research and runs a patient and family support program.

The largest private funder of pancreatic cancer research in the US; underwrites all its own overheads so donations go to research.

Patient services, clinical trial matching, a molecular profiling program and research funding for pancreatic cancer.

Cervical cancer survivor advocacy and education network, with a strong focus on HPV prevention.

Addresses the sharply higher endometrial cancer mortality among Black women in the US.

The foundation of the Society of Gynecologic Oncology; patient education and research funding across gynecologic cancers.

Cervical cancer and HPV education, screening promotion and patient support groups.

Local chapter network providing ovarian cancer support, awareness and patient resources.

The largest global ovarian cancer nonprofit: research funding, a helpline and a peer-matching program.

The largest philanthropic funder of prostate cancer research in the US, including a large program for veterans.

Patient support, free screening events, financial assistance and a peer navigation program for prostate cancer.

The main US bladder cancer organization: patient support, survivor-to-survivor program and research funding.

Patient education, research funding and advocacy for kidney cancer.

Patient-led advocacy focused on increasing federal kidney cancer research funding.

Awareness and support aimed at young men, for whom testicular cancer is the most common cancer.

Patient support and research funding for bone marrow failure diseases, including myelodysplastic syndromes.

Practical, detailed patient information about transplant and CAR T-cell therapy, plus a survivorship support program.

Runs a myeloma patient hotline, seminars and support-group network, and convenes the International Myeloma Working Group.

Funds blood cancer research and runs free Information Specialists, co-pay assistance and clinical trial navigation.

Forbes 2025 largest-charities list, #57: 75% of expenses went to programs, 87% of donations raised went to the cause.

The largest US nonprofit devoted to lymphoma, funding research and running a helpline and patient education programs.

Funds myeloma research and built one of the field's large open genomic and clinical datasets.

Operates the US registry of volunteer blood stem cell donors and helps patients navigate transplant.

Brain tumor patient education, a care navigation line and research grants.

Funds glioblastoma-specific research and connects newly diagnosed patients with information.

Funds brain tumor research, runs patient navigation and leads federal advocacy on brain cancer.

Runs free head and neck cancer screening events and patient support programs.

National network of patient-led head and neck cancer support chapters.

Volunteer-run thyroid cancer support groups, low-iodine diet resources and research funding.

Global melanoma research funding, patient education and legislative advocacy on indoor tanning.

The largest private funder of melanoma research, created to accelerate treatments after decades of little progress.

The largest independent melanoma organization in the US: research funding, patient support and advocacy.

Public education on skin cancer prevention and early detection, and a photoprotection seal program.

Long-running patient information and physician-referral resource for neuroendocrine and carcinoid tumors.

The main mesothelioma research funder and patient advocacy group in the US.

Funds neuroendocrine tumor research and provides patient education on these often slow-growing cancers.

Builds patient-driven tissue and data resources so rare cancers can be studied at all.

Peer support, second-opinion assistance grants and guidance for sarcoma patients.

Funds sarcoma research and advocates for patients with these rare bone and soft tissue cancers.

Funds childhood cancer research and provides travel assistance for families in treatment.

Free books and resources for families, local chapter support and childhood cancer advocacy.

Pediatric cancer research funding plus hospital-based programs for children in treatment.

Policy advocacy for childhood cancer research funding, drug access and survivorship.

Funds pediatric cancer drug development and provides family resources.

Grants wishes to children with critical illnesses, a large share of them cancer diagnoses.

Peer support community for caregivers of children with cancer.

Funds a collaborative consortium of children's hospitals running early-phase pediatric trials.

The largest private funder of childhood cancer research grants in the US, raised largely through head-shaving events.

Treats children with cancer at no cost to families and runs a large pediatric cancer research program.

See Kesem — free camps for children affected by a parent's cancer.

Magazine and community publishing first-person accounts from adolescent and young adult patients.

Free outdoor adventure programs for young adults diagnosed with cancer.

Student-run free summer camps for children whose parent has or had cancer.

The largest young adult cancer community in the US, running meetups, a conference and digital peer support.

Helps US hospitals build dedicated teen and young adult cancer units and programs.

Free one-to-one peer mentoring by phone or email, run from Cleveland Clinic.

Information and state-by-state insurance-law guidance on preserving fertility before cancer treatment.

Provides free organizational tote kits with information and a medical-records planner to newly diagnosed patients.

Matches patients and caregivers with trained volunteers who have been through the same diagnosis.

A national network of local centers and Gilda's Clubs offering free counseling, groups and a helpline.

Free professional counseling from oncology social workers, support groups and limited financial assistance.

Support services, camps and crisis intervention for Jewish families facing serious pediatric illness.

Connects women diagnosed with cancer while pregnant to others who have been through it.

One-to-one matching with a survivor of the same cancer type, age and situation — a 'mentor angel'.

Free one-to-one navigation for survivorship problems, including the Livestrong Fertility program for treatment-related infertility.

Free workshops on managing the appearance-related side effects of cancer treatment.

The oldest US survivor-led advocacy organization; publishes the Cancer Survival Toolbox.

Education, provider training and advocacy on the specific cancer risks and care barriers facing LGBTQ+ people.

Bilingual support and navigation for Latina women affected by cancer.

Free professional support for children whose parent has a serious illness, including cancer.

Free education, peer support and a resource line for family caregivers.

Research and advocacy organization for family caregivers, including cancer caregivers.

Practical help for working through treatment: rights, disclosure, resumes and return to work.

A coalition site that searches multiple member organizations' financial aid programs at once.

Pays families' household bills during cancer treatment and provides financial planning support.

Copay, premium and travel assistance for chronic and life-altering conditions including many cancers.

Grants covering copays, premiums and travel costs for people with specific diagnoses, when funds are open.

A free searchable database of patient assistance and drug discount programs, plus a discount card.

Disease-specific assistance funds covering out-of-pocket treatment costs for underinsured patients.

Case managers who resolve insurance denials and appeals, plus co-pay relief funds by diagnosis.

Free education on the legal and financial side of cancer: insurance, disability, employment rights and appeals.

Coordinates free volunteer-pilot flights to distant medical treatment.

Arranges free seats for cancer patients on empty corporate jet flights to treatment.

An association of nonprofit lodging houses near treatment centers across the US.

A lodging directory listing discounted places to stay near cancer treatment centers nationwide.

Provides free ground and air transport to medical care for people who cannot afford to travel.

Free or low-cost accommodation for families of children in hospital, including cancer treatment.

Public resource from the Center to Advance Palliative Care explaining palliative care and finding local providers.

Public education on hospice, caregiving and grief, with free bereavement resources.

The US hospice, palliative care and home-care membership organisation formed when NHPCO merged with the National Association for Home Care & Hospice; runs the CaringInfo public resource and a find-a-provider tool.