January
- National Cervical Cancer Screening Month
February
- World Cancer Day
- National Cancer Prevention Month
- Rare Disease Day
March
- Colorectal Cancer Awareness Month
- Kidney Cancer Awareness Month
- National Nutrition Month
- National Young Adult Cancer Awareness Week
April
- World Health Day
- National Cancer Control Month
- National Oral, Head and Neck Cancer Awareness Week
- Testicular Cancer Awareness Month
- National Minority Cancer Week
May
- Melanoma Monday
- Skin Cancer Detection and Prevention Month
- Cancer Research Month
- Brain Tumor Month
- Oncology Nursing Month
June
- National Cancer Survivors Day
- Men’s Health/Cancer Awareness Month
- Cancer Immunotherapy Awareness Month
July
- UV Safety Month
- Sarcoma Awareness Month
August
- Summer Sun Safety Month
September
- National Prostate Cancer Awareness Month
- Take a Loved One to the Doctor Day
- Childhood Cancer Awareness Month
- National Ovarian Month
- Gynecologic Cancer Awareness Month
- Thyroid Cancer Awareness Month
- Blood Cancer Awareness Month
October
- National Breast Cancer Awareness Month
- National Mammography Day
- Liver Cancer Awareness Month
November
- Great American Smokeout
- Lung Cancer Awareness Month
- Pancreatic Cancer Awareness Month
- National Family Caregiver Month
- National Palliative/Hospice Care Month