August 1
- International Mahjong Day
- National Raspberry Cream Pie Day
- National Girlfriends Day
- National Minority Donor Awareness Day
- Respect for Parents Day
- National Disc Golf Day – First Saturday in August
- National Jamaican Patty Day – First Saturday in August
- National Mustard Day – First Saturday in August
- Mead Day – First Saturday in August
August 2
- National Coloring Book Day
- National Ice Cream Sandwich Day
- American Family Day – First Sunday in August
- National Friendship Day – First Sunday in August
- National Sisters Day – First Sunday in August
August 3
August 4
- National Chocolate Chip Cookie Day
- National Coast Guard Day
- National Night Out Day – First Tuesday in August (However, date may differ based on location due to extreme weather conditions in August. Check with local organizations for dates near you.)
August 5
August 6
- National Root Beer Float Day
- National Fresh Breath Day
- National Wiggle Your Toes Day
- National IPA Day – First Thursday in August
August 7
- Purple Heart Day
- National Lighthouse Day
- National Raspberries N’ Cream Day
- International Beer Day – First Friday in August
- National Water Balloon Day – First Friday in August
August 8
- Global Sleep Under The Stars Night *
- National CBD Day
- National Happiness Happens Day
- National Frozen Custard Day
- National Sneak Some Zucchini Into Your Neighbor’s Porch Day
- National Dollar Day
- National Bowling Day – Second Saturday in August
- National Garage Sale Day – Second Saturday in August
August 9
- National Rice Pudding Day
- National Veep Day
- National Book Lovers Day
- National Spirit of ’45 Day – Second Sunday in August
August 10
August 11
- Global Kinetic Sand Day *
- National Son’s and Daughter’s Day
- National Presidential Joke Day
- National Raspberry Bombe Day
August 12
- National Julienne Fries Day
- National Vinyl Record Day
- National Middle Child Day
- Congressional Startup Day – Changes Annually (August 12, 2020)
August 13
- National Prosecco Day
- National Filet Mignon Day
- International Left Handers Day
- National Blame Someone Else Day – First Friday the 13th of the Year (August 13, 2021)
August 14
August 15
- National Leathercraft Day
- National Relaxation Day
- National Lemon Meringue Pie Day
- World Honey Bee Day– Third Saturday in August
August 16
August 17
- National Nonprofit Day
- National Massachusetts Day
- National I LOVE My Feet Day!
- National Thrift Shop Day
- Black Cat Appreciation Day
August 18
- National Fajita Day
- National Mail Order Catalog Day
- National Ice Cream Pie Day
- National Pinot Noir Day
August 19
August 20
August 21
August 22
- National Surgical Oncologist Day
- National Be An Angel Day
- National Bao Day
- Never Bean Better Day
- National Tooth Fairy Day
- National Pecan Torte Day
August 23
August 24
August 25
- National Park Service Founders Day
- National Whiskey Sour Day
- National Kiss and Make Up Day
- National Secondhand Wardrobe Day
- National Banana Split Day
August 26
- National WebMistress Day
- National Dog Day
- National Women’s Equality Day
- National Cherry Popsicle Day
August 27
August 28
- National Thoughtful Day *
- National Red Wine Day
- National Power Rangers Day
- National Bow Tie Day
- National Cherry Turnovers Day
- Rainbow Bridge Remembrance Day
August 29
August 30
August 31
- National South Carolina Day
- National Matchmaker Day
- National Diatomaceous Earth Day
- National Trail Mix Day
Day* – Proclamation
