February 13
- Clean Out Your Computer Day (second Monday in February)
- Desperation Day
- Dream Your Sweet Day
- Employee Legal Awareness Day
- Galentine’s Day
- International Epilepsy Day (second Monday in February)
- International Natural Day
- Kiss Day
- National Break Up With Your Carrier Day
- National Cheddar Day
- National Football Hangover Day (day after Super Bowl)
- National Internet Friends Day
- National Tortellini Day
- National Wingman’s Day
- Oatmeal Monday (second Monday in February)
- Self-Love Day
- World Radio Day

February 14
- Extraterrestrial Visitor Day
- Frederick Douglass Day
- International Book Giving Day
- League of Women Voters Day
- Library Lovers Day
- National Call in Single Day
- National Condom Awareness Day
- National Creme-Filled Chocolates Day
- National Donor Day
- National Ferris Wheel Day
- National Have a Heart Day
- National Women’s Heart Day
- Pet Theft Awareness Day
- Read to Your Child Day
- Safer Internet Day (second Tuesday in February)
- Singles Awareness Day/Singles Appreciation Day
- Valentine’s Day
- World Cholangiocarcinoma Day
- World Congenital Heart Defect Awareness Day
- World Sound Healing Day
February 15
- International Angelman Day
- International Childhood Cancer Awareness Day
- Love Reset Day
- National Gumdrop Day
- National Hippo Day
- National I Want Butterscotch Day
- Remember the U.S.S. Maine Day
- Susan B. Anthony Day
February 16
- Do a Grouch a Favor Day
- Fat Thursday
- Innovation Day
- National Almond Day
February 17
- National Cabbage Day
- National Cafe Au Lait Day
- National Caregivers Day (third Friday in February)
- National Indian Pudding Day
- National PTA Founders Day
- Random Acts of Kindness Day
- Who Shall I Be Day
- World Human Spirit Day
February 18
- Drink Wine Day
- National Battery Day
- Pluto Day
- Thumb Appreciation Day
- World Whale Day (third Saturday in February)
February 19
- Coast Guard Reserves Birthday
- International Tug-of-War Day
- Iwo Jima Day
- National Chocolate Mint Day
- National Lashes Day
- Prevent Plagiarism Day
- Vet Girls RISE Day
Source: https://parade.com/living/february-holidays-observances