| April | Paralyzed Veterans Across America Month | United States | https://www.pva.org/sponsorship-events/paralyzed-veterans-of-america-awareness-month |
| April | Cushing Disease/Syndrome Awareness Month | United States | https://www.pacificneuroscienceinstitute.org/blog/pituitary-disorders/cushings-disease-awareness/ |
| April | Functional Neurological Disorder (FND) Awareness Month | Global | https://fndhope.org/fndaware/ |
| April | Parkinson’s Awareness Month | United States | https://www.apdaparkinson.org/article/dd-s22-article3/
https://www.michaeljfox.org/parkinsons-awareness-month |
| April | National Donate Life Month | United States | https://www.donatelife.net/celebrations/ |
| April | Limb Loss Awareness Month | United States | https://www.amputee-coalition.org/events-programs/limb-loss-awareness-month/ |
| 1-8 Apr | Porphyria Awareness Week | United States | https://porphyriafoundation.org/get-involved/porphyria-awareness-week-2021/ |
| 2-Apr | World Autism Awareness Day (United Nations) | Global | https://www.un.org/en/observances/autism-day |
| 2-8 Apr | Oral, Head and Neck Cancer Awareness Week | United States | https://www.entnet.org/about-us/campaigns/oral-head-and-neck-cancer-awareness-week/ |
| 6-Apr | Bohring-Opitz Syndrome Awareness Day | Global | http://bos-foundation.org/bos-awareness-day |
| 7-Apr | World Health Day | Global | https://www.who.int/campaigns/world-health-day |
| (United Nations Day) | |||
| 8-Apr | Cushing Disease/Syndrome Awareness Day | United States | https://www.pacificneuroscienceinstitute.org/blog/pituitary-disorders/cushings-disease-awareness/ |
| 10-Apr | National Youth HIV and AIDS Awareness Day | United States | https://www.hiv.gov/events/awareness-days/youth |
| 11-Apr | Parkinson’s Disease International Awareness Day | Global | https://shakeitup.org.au/pause4parkinsons/ |
| 13-Apr | Sarcoidosis Awareness Day | Global | https://www.stopsarcoidosis.org/
https://www.stopsarcoidosis.org/events/steps-for-sarc/ |
| 17-Apr | World Hemophilia Day (United Nations Day) | Global | https://wfh.org/world-hemophilia-day/ |
| 19-Apr | Congenital Diaphragmatic Hernia Action Day | Global | https://cdhi.org/april-19-is-cdh-awareness-day/ |
| 24-30 Apr | National MS Awareness Week | United Kingdom | https://www.mssociety.org.uk/get-involved/ms-awareness-week?_ga=2.68654994.2038902126.1555919293-1238863092.1555919293#symptomgraphics |
| 23-Apr | Fibrodysplasia Ossificans Progressiva (FOP) Awareness Day | Global | https://www.ifopa.org/2022_global_awareness_day |
| 25-Apr | World Malaria Day (WHO) | Global | https://www.who.int/campaigns/world-malaria-day |
| 29-Apr | World Wish Day | Global | https://www.worldwish.org/en/worldwishday |
| 21-28 Apr | World Primary Immunodeficiency (PI) Week | Global | http://www.worldpiweek.org/ |
Source: “2023 Calendar of Disability-Related Dates.” Disability:IN, 7 Apr. 2023, https://disabilityin.org/resource/2023-calendar-of-disability-related-dates/.