John Alberto Leguizamo Peláez (born July 22, 1960) is an American actor, comedian, and film producer. He has appeared in over 100 films, produced over 20 films and documentaries, made over 30 television appearances, and has produced various television projects. He's also written and performed for the Broadway stage receiving three Tony Award nominations for Freak in 1998, Sexaholix in 2002, and Latin History for Morons in 2018. He received a Special Tony Award in 2018.

He rose to fame with a co-starring role in Super Mario Bros. (1993) as Luigi, Benny Blanco in the crime drama Carlito's Way (1993), and later To Wong Foo, Thanks for Everything! Julie Newmar (1995), for which he received a Golden Globe Award for Best Supporting Actor nomination. Other films include Romeo + Juliet (1996), A Brother's Kiss (1997), Summer of Sam (1999), Moulin Rouge! (2001), The Alibi (2006), Righteous Kill (2008), Repo Men (2010), The Counselor (2013), John Wick (2014), and The Menu (2022). He served as the narrator of the sitcom The Brothers García (2000–2004) and voiced Sid the Sloth in the Ice Age franchise (2002–2016), and as Bruno in Encanto (2021).

Leguizamo is also known for his television roles including Freak (1998) for which he received the Primetime Emmy Award for Outstanding Individual Performance in a Variety or Music Program. He received further Primetime Emmy Award nominations for the Paramount miniseries Waco (2018), and Netflix's limited series When They See Us (2019). He's also appeared on ER, The Kill Point, Bloodline, and The Mandalorian.