Dai (given name)

Dai is a Welsh masculine given name, a diminutive form of Dafydd (David), as well as a masculine Japanese given name. Notable people with the name include:

• Dai Davies (footballer, born 1880)
• Dai Davies (footballer, born 1948)
• Dai Davies (politician)
• Dai Greene, a British hurdler
• Dai Henwood, New Zealand comedian
• Dai Matsumoto, Japanese voice actor
• Dai Nagao, Japanese composer, musician and producer
• Dai Satō, Japanese screenwriter and musician
• Dai Ward, Wales international footballer
• Dai Young, Wales international rugby union player

Fictional characters:

• Dai Greatcoat, a character from David Jones' In Parenthesis
• Dai Takabayashi, a fictional character from the anime series Super Doll Licca-chan.
• Dai Blackthorn, a role-playing character from the RPG GURPS.