- Cervical Health Awareness Month
- National Birth Defects Prevention Month
- National Glaucoma Awareness Month
- National Radon Action Month
- National Stalking Awareness Month
- National Winter Sports Traumatic Brain Injury (TBI) Awareness Month
- Thyroid Awareness Month
- National Folic Acid Awareness Week (Jan. 5–11)
- AMD/Low Vision Awareness Month
- American Heart Month
- International Prenatal Infection Prevention Month
- National Children’s Dental Health Month
- Teen Dating Violence Awareness Month
- African Heritage and Health Week (first week of February)
- Children’s Mental Health Awareness Week (Feb. 3–9)
- World Cancer Day (Feb. 4)
- National “Wear Red” Day for women’s heart health (Feb. 7)
- Give Kids a Smile Day (Feb. 7)
- Congenital Heart Defect Awareness Week (Feb. 7–14)
- Heart Failure Awareness Week (Feb. 9–15)
- National Donor Day (Feb. 14)
- Condom Week (Feb. 14–21)
- Eating Disorders Awareness and Screening Week (Feb. 24–March 1)
- Multiple Sclerosis Education and Awareness Month
- National Bleeding Disorders Awareness Month
- National Colorectal Cancer Awareness Month
- National Endometriosis Awareness Month
- National Kidney Month
- National Nutrition Month
- National Traumatic Brain Injury Awareness Month
- Save Your Vision Month
- Trisomy Awareness Month
- National Sleep Awareness Week (March 1–7)
- National School Breakfast Week (March 2–6)
- Patient Safety Awareness Week (March 8–14)
- National Women and Girls HIV/AIDS Awareness Day (March 10)
- World Kidney Day (March 12)
- World Sleep Day (March 13)
- National Poison Prevention Week (March 15–21)
- Brain Awareness Week (March 16–22)
- National Native American HIV/AIDS Awareness Day (March 20)
- World Tuberculosis Day (March 24)
- American Diabetes Alert Day (March 24)
- Purple Day for epilepsy awareness (March 26)
- National Drug and Alcohol Facts Week (March 30–April 5)
- National Youth Violence Prevention Week (March 30–April 3)
- Alcohol Awareness Month
- Irritable Bowel Syndrome (IBS) Awareness Month
- National Autism Awareness Month
- National Child Abuse Prevention Month
- National Donate Life Month
- National Facial Protection Month
- National Minority Health Month
- National Sarcoidosis Awareness Month
- Occupational Therapy Month
- Oral Cancer Awareness Month
- Sexual Assault Awareness and Prevention Month
- Sexual Assault Awareness Month
- STD Awareness Month
- Women’s Eye Health and Safety Month
- National Minority Cancer Awareness Month
- National Public Health Week (April 6–12)
- National Alcohol Screening Day (April 7)
- Rape, Abuse and Incest National Network (RAINN) Day (April 5)
- World Health Day (April 7)
- National Youth HIV/AIDS Awareness Day (April 10)
- National Infertility Awareness Week (April 19–25)
- Every Kid Healthy Week (April 20–24)
- World Meningitis Day (April 24)
- World Immunization Week (April 24–30)
- National Infant Immunization Week (April 26–May 3)
- American Stroke Awareness Month
- Arthritis Awareness Month
- Better Hearing and Speech Month
- Clean Air Month
- Cystic Fibrosis Awareness Month
- Food Allergy Action Month
- Global Employee Health and Fitness Month
- Healthy Vision Month
- Hepatitis Awareness Month
- International Mediterranean Diet Month
- Lupus Awareness Month
- Melanoma/Skin Cancer Detection and Prevention Month
- Mental Health Month
- National Asthma and Allergy Awareness Month
- National Celiac Disease Awareness Month
- National High Blood Pressure Education Month
- National Osteoporosis Awareness and Prevention Month
- National Physical Fitness and Sports Month
- National Teen Pregnancy Prevention Month
- Ultraviolet Awareness Month
- National Physical Education and Sport Week (May 1–7)
- North American Occupational Safety and Health Week (May 3–9)
- National Hurricane Preparedness Week (May 3–9)
- National Neuropathy Awareness Week (May 4–10)
- World Hand Hygiene Day (May 5)
- Cornelia de Lange Syndrome Awareness Day (May 9)
- National Women’s Health Week (May 10–16)
- National Stuttering Awareness Week (May 11–17)
- ME/CFS and Fibromyalgia International Awareness Day 2020 (May 12)
- Food Allergy Awareness Week (May 12–18)
- National Alcohol- and Other Drug-Related Birth Defects Awareness Week (May 13–19)
- HIV Vaccine Awareness Day (May 18)
- National Asian and Pacific Islander HIV/AIDS Awareness Day (May 19)
- World Autoimmune Arthritis Day (May 20)
- World Preeclampsia Day (May 22)
- National Senior Health Fitness Day (May 27)
- Don’t Fry Day (May 29)
- Alzheimer’s and Brain Awareness Month
- Cataract Awareness Month
- Hernia Awareness Month
- Men’s Health Month
- Myasthenia Gravis Awareness Month
- National Aphasia Awareness Month
- National Congenital Cytomegalovirus Awareness Month
- National Safety Month
- National Scleroderma Awareness Month
- Scoliosis Awareness Month
- National Cancer Survivors Day (June 7)
- Men’s Health Week (June 10–16)
- Family Health and Fitness Day (June 13)
- World Sickle Cell Day (June 19)
- Shades for Migraine: Global Migraine Awareness Day (June 21)
- PTSD Awareness Day (June 27)
- Helen Keller Deaf-Blind Awareness Week (June 28–July 4)
- Cord Blood Awareness Month
- International Group B Strep Throat Awareness Month
- Juvenile Arthritis Awareness Month
- National Cleft and Craniofacial Awareness and Prevention Month
- World Hepatitis Day (July 28)
- Children’s Eye Health and Safety Month
- Gastroparesis Awareness Month
- National Breastfeeding Month
- National Immunization Awareness Month
- Psoriasis Awareness Month
- World Breastfeeding Week (Aug. 1–7)
- National Health Center Week (Aug. 9–15)
- Blood Cancer Awareness Month
- Childhood Cancer Awareness Month
- Healthy Aging Month
- National Atrial Fibrillation Awareness Month
- National Childhood Obesity Awareness Month
- National Cholesterol Education Month
- National Food Safety Education Month
- National ITP Awareness Month
- National Pediculosis Prevention Month/Head Lice Prevention Month
- National Preparedness Month
- National Recovery Month
- National Sickle Cell Month
- National Yoga Awareness Month
- Newborn Screening Awareness Month
- Ovarian Cancer Awareness Month
- Pain Awareness Month
- Polycystic Ovary Syndrome (PCOS) Month
- Prostate Cancer Awareness Month
- Sepsis Awareness Month
- Sexual Health Awareness Month
- Sports Eye Safety Month
- World Alzheimer’s Month
- Usher Syndrome Awareness Day (third Saturday)
- National Suicide Prevention Week (Sept. 6–12)
- World Suicide Prevention Day (Sept. 10)
- World Sepsis Day (Sept. 13)
- National Celiac Disease Awareness Day (Sept. 13)
- National School Backpack Awareness Day (Sept. 16)
- National HIV/AIDS and Aging Awareness Day (Sept. 18)
- Falls Prevention Day (Sept. 24)
- Sport Purple for Platelets Day (Sept. 25)
- World Rabies Day (Sept. 28)
- National Women’s Health and Fitness Day (Sept. 30)
- World Heart Day (Sept. 29)
- Domestic Violence Awareness Month
- Eye Injury Prevention Month
- Health Literacy Month
- Healthy Lung Month
- Home Eye Safety Month
- National ADHD Awareness Month
- National Breast Cancer Awareness Month
- National Bullying Prevention Month
- National Dental Hygiene Month
- National Down Syndrome Awareness Month
- National Medical Librarians Month
- National Physical Therapy Month
- Pregnancy and Infant Loss Awareness Month
- Spina Bifida Awareness Month
- Sudden Infant Death Syndrome (SIDS) Awareness Month
- Mental Illness Awareness Week (Oct. 4–10)
- Malnutrition Awareness Week (Oct. 5–9)
- World Cerebral Palsy Day (Oct. 6)
- National Depression Screening Day (Oct. 8)
- World Mental Health Day (Oct. 10)
- Bone and Joint Health National Action Week (Oct. 12–20)
- Metastatic Breast Cancer Awareness Day (Oct. 13)
- Pregnancy and Infant Loss Awareness Day (Oct. 15)
- National Latino AIDS Awareness Day (Oct. 15)
- International Infection Prevention Week (Oct. 16–22)
- World Food Day (Oct. 16)
- National Healthcare Quality Week (Oct. 18–24)
- World Pediatric Bone and Joint Day (Oct. 19)
- National Health Education Week (Oct. 20–24)
- International Stuttering Awareness Day (Oct. 22)
- Respiratory Care Week (Oct. 25–31)
- World Psoriasis Day (Oct. 29)
- American Diabetes Month
- Bladder Health Month
- Chronic Obstructive Pulmonary Disease (COPD) Awareness Month
- Diabetic Eye Disease Month
- Lung Cancer Awareness Month
- National Alzheimer’s Disease Awareness Month
- National Epilepsy Awareness Month
- National Family Caregivers Month
- National Healthy Skin Month
- National Hospice Palliative Care Month
- National Stomach Cancer Awareness Month
- Pancreatic Cancer Awareness Month
- Prematurity Awareness Month
- World Antibiotic Awareness Week (Nov. 11–17)
- World Prematurity Day (Nov. 17)
- GERD Awareness Week (Nov. 17–23)
- Great American Smokeout (Nov. 19)
- International Survivors of Suicide Day (Nov. 21)
- National Family Health History Day (Nov. 26)
- World AIDS Day (Dec. 1)
- National Handwashing Awareness Week (Dec. 6–12)