Xander is a masculine given name, often a short form (hypocorism) of Alexander. It may refer to:
People
- Music
- Xander (Danish singer) (born 1988), Danish singer (full name Alexander Theo Linnet)
- Xander (Dutch singer) (born 1985), Dutch singer songwriter (full name Xander Venema)
- Xander (South Korean singer) (born 1988), also known as Alexander (full name Alexander Lee Eusebio)
- Xander de Buisonjé, (born 1973), Dutch singer
- MC Xander, (born 1983) British musician and producer
- Xander Rawlins, a British singer-songwriter known for his British Army charity single "1000 Miles Apart"
- In arts and entertainment
- Alexander Armstrong (or Xander Armstrong; born 1970), British comedian, actor and television presenter
- Xander Bennett (born 1984), Australian screenwriter and author
- Xander Berkeley (born 1955), American actor
- Xander Marro (born 1975), puppet-maker and projectionist
- Xander Mobus (born 1992), American voice actor
- Xander Parish, English ballet dancer
- Xander Straat (born 1965), Dutch stage, television, and film actor
- Others
- Xander Bogaerts (born 1992), baseball shortstop on the Boston Red Sox
- Xander Houtkoop (born 1989), Dutch professional footballer
- Xander Kostroma (born 1987), British designer known for ethical/fair trade awareness within the fashion world
- Xander Pitchers (born 1994), Namibian cricketer
- Xander Schauffele (born 1993), American professional golfer
Fictional characters
- Xander Harris, a main character in the television series Buffy the Vampire Slayer
- Xander Bly, the Green Mystic Ranger from Power Rangers: Mystic Force
- Xander Cage, the protagonist of the xXx franchise, portrayed by Vin Diesel
- Xander Crews, in the animated series Frisky Dingo
- Xandir P. Wifflebottom, a character in the animated series Drawn Together.
- Xander, boyfriend of Dana Brody in Homeland (TV series)
- Xander Kiriakis, a fictional character on the NBC soap opera Days of Our Lives
- Xander, a Nohrian prince in the game Fire Emblem Fates, the adopted brother of the main protagonist.
- Xander Shakadera, fictional character in Beyblade
- Xander Payne, a fictional character in Mega Man series by Archie Comics