June 1

• Intergenerational Day

• National Heimlich Maneuver Day

• Global Day of Parents

• National Go Barefoot Day

• National Nail Polish Day

• National Say Something Nice Day

• World Milk Day

• World Reef Awareness Day

• National Pen Pal Day

• National Olive Day

• Dare Day

• Dinosaur Day

• Flip a Coin Day

• Oscar the Grouch Day

• Stand for Children Day

• Wear a Dress Day

June 2

• National Gun Violence Awareness Day

• National Donut Day

• National Rocky Road Day

• National Rotisserie Chicken Day

• National Leave the Office Early Day

• National Bubba Day

• National I Love My Dentist Day

June 3

• National Play Outside Day

• National Bubbly Day

• National Prairie Day

• National Trails Day

• National Egg Day

• World Bicycle Day

• Repeat Day

• Love Conquers All Day

• World Cider Day

June 4

• National Cancer Survivor's Day

• International Day of Innocent Children Victims of Aggression

• Trinity Sunday

• National Cheese Day

• National SAFE Day

• National Cognac Day

• International Corgi Day

• Audacity to Hope Day

• National Hug Your Cat Day

June 5

• Hot Air Balloon Day

• National Moonshine Day

• World Environment Day

• National Gingerbread Day

• National Veggie Burger Day

• HIV Long-Term Survivors Awareness Day

June 6

• Visually Impaired People Day

• World Pest Day

• National Yo-Yo Day

• National Higher Education Day

• D-Day

• Russian Language Day

• National Drive-In Movie Day

• National Eyewear Day

June 7

• World Caring Day

• World Food Safety Day

• Global Running Day

• June Bug Day

• National Tailors Day

• Daniel Boone Day

• National Chocolate Ice Cream Day

• National VCR Day

June 8

• World Pet Memorial Day

• Thomas Paine Day

• World Oceans Day

• National Best Friends Day

• National Upsy Daisy Day

• National Name Your Poison Day

June 9

• National Meal Prep Day

• National Movie Night

• Writers' Rights Day

• National Donald Duck Day

• International Dark 'n Stormy Day

June 10

• Belmont Stakes

• National Outlet Shopping Day

• National Rosé Day

• World Gin Day

• World Doll Day

• National Iced Tea Day

• National Ballpoint Pen Day

• National Egg Roll Day

• National Herbs and Spices Day

• Global Wellness Day

June 11

• Say Hi Day

• National Children's Day

• Feast of Corpus Christi

• ODUNDE Festival

• King Kamehameha Day

• National Corn on the Cob Day

• National Making Life Beautiful Day

• National German Chocolate Cake Day

June 12

• International Falafel Day

• Raggedy Ann and Andy Day

• Superman Day

• National Loving Day

• World Day Against Child Labor

• National Jerky Day

• National Red Rose Day

• National Puerto Rican Day Parade

June 13

• International Axe Throwing Day

• National Call Your Doctor Day

• National Chamoy Day

• National Sewing Machine Day

• International Albinism Awareness Day

• World Softball Day

• National Weed Your Garden Day

• Random Acts of Light Day

• National Kitchen Klutzes of America Day

June 14

• Flag Day

• Monkey Around Day

• National Bourbon Day

• World Blood Donor Day

• National Pop Goes the Weasel Day

• National Strawberry Shortcake Day

• Army Birthday

• International Bath Day

June 15

• Global Wind Day

• Magna Carta Day

• National Smile Power Day

• National Prune Day

• Sneak a Kiss Day

• World Tapas Day

• World Elder Abuse Awareness Day

• Nature Photography Day

June 16

• World Sea Turtle Day

• Arborist Appreciation Day

• Fresh Veggies Day

• International Waterfall Day

• Bloomsday

• International Day of the African Child

• National Fudge Day

June 17

• World Juggling Day

• National Mascot Day

• International Surfing Day

• World Day to Combat Desertification and Drought

• Global Garbage Man Day

• National Apple Strudel Day

• National Eat Your Vegetables Day

• National Root Beer Day

• Bunker Hill Day

• National Dump the Pump Day

June 18

• Father's Day

• National Wanna Get Away Day

• National Turkey Lovers' Day

• Clean Your Aquarium Day

• International Day for Countering Hate Speech

• International Sushi Day

• National Go Fishing Day

• National Splurge Day

• Wear BLUE Day

• International Panic Day

• International Picnic Day

June 19

• Juneteenth

• World Sickle Cell Day

• National Take Your Cat to Work Day

• National Pollinator Week

• World Sauntering Day

• National Watch Day

• National Martini Day

• National Garfield the Cat Day

• International Box Day

June 20

• World Productivity Day

• Plain Yogurt Day

• National American Eagle Day

• World Refugee Day

• National Vanilla Milkshake Day

• National Kouign Amann Day

• International Nystagmus Awareness Day

• National Ice Cream Soda Day

June 21

• Summer Solstice

• National Cookie Dough Day

• National Yard Games Day

• World Motorcycle Day

• World Peace and Prayer Day

• World Humanist Day

• World Giraffe Day

• International Yoga Day

• National Selfie Day

• National Daylight Appreciation Day

• Go Skateboarding Day

• National Peaches ‘N’ Cream Day

• National Seashell Day

• National Smoothie Day

• World Day of Music

June 22

• Positive Media Day

• National Limoncello Day

• World Rainforest Day

• National Onion Ring Day

• National HVAC Tech Day

• National Kissing Day

June 23

• International Olympic Day

• Let It Go Day

• National Family Owned & Operated Businesses Day

• International Widows' Day

• United Nations Public Service Day

• National Take Your Dog to Work Day

• National Pink Day

• National Hydration Day

• International Women in Engineering Day

• National Pecan Sandies Day

• National Porridge Day

• National Typewriter Day

June 24

• Summersgiving

• Midsummer Day

• International Fairy Day

• Upcycling Day

• National Pralines Day

• Feast Day of St. John the Baptist

• Swim a Lap Day

June 25

• Bonalu Festival

• World Vitiligo Day

• National Fatherless Children's Day

• Color TV Day

• Log Cabin Day

• Global Beatles Day

• National Leon Day

• National Catfish Day

• International Day of the Seafarer

• Bourdain Day

• Please Take My Children to Work Day

• BET Awards

June 26

• World Drug Day

• International Day in Support of Victims of Torture

• National Coconut Day

• National Canoe Day

• World Refrigeration Day

• National Beautician’s Day

• National Chocolate Pudding Day

June 27

• National Onion Day

• Decide To Be Married Day

• National Ice Cream Cake Day

• National PTSD Awareness Day

• National Sunglasses Day

• National HIV Testing Day

• Micro, Small, and Medium-Sized Enterprises Day

• National Orange Blossom Day

• Helen Keller Day

• National Bingo Day

June 28

• Stonewall Riots Anniversary

• National Day of Joy

• National Insurance Awareness Day

• National Logistics Day

• Tau Day

• National Tapioca Day

• National Paul Bunyan Day

June 29

• Eid al-Adha

• National Handshake Day

• International Fisherman's Day

• International Day of the Tropics

• International Mud Day

• St. Peter's Day

• National Camera Day

• Hug Holiday

• National Waffle Iron Day

June 30

• National Cream Tea Day

• National Food Truck Day

• International Asteroid Day

• National Meteor Watch Day

• World Social Media Day

• National OOTD Day

• National Corvette Day