- Jun 3 Cameron Green, Australian cricket all-rounder (Test HS 174no, BB 5/27; Western Australia, Mumbai Indians, RCB), born in Perth, Australia
- Jun 11 Kai Havertz, German football player (Arsenal), born in Aachen, Germany
- Jun 15 Peso Pluma [Hassan Laija], Mexican corridos singer, rapper, and guitarist ("Ella Baila Sola"), born in Zapopan, Mexico
- Jun 16 Justin Jefferson, American NFL player (Minnesota Vikings), born in St. Rose, Louisiana
- Jun 16 Snail Mail [Linsey Jordan], American indie-rock guitarist and singer-songwriter, born in Ellicott City, Maryland
- Jun 17 Elena Rybakina, Kazakhstani tennis player (Wimbledon women's singles 2022), born in Moscow, Russia
- Jun 27 Chandler Riggs, American actor (The Walking Dead), born in Atlanta, Georgia
- Jun 28 Markéta Vondroušová, Czech tennis player (Wimbledon singles 2023; French Open 2019 runner-up), born in Sokolov, Czech Republic
About June 1999
How Old? 25 years old
Generation: Generation Z
Leap Year: No
Year of the Rabbit
Year of the Dragon
Year of the Snake
Year of the Horse
Year of the Goat/Sheep
Year of the Monkey