John Celestand (/ˈsɛləˌstænd/, SELL-ə-stand; born March 6, 1977) is a retired American professional basketball player.

He was a member of the Lakers' 1999–2000 championship team, and spent several years playing professionally in Italy—for Skipper Bologna for two months in late 2001—, France and Germany.

He is a member of the "I Can Foundation", a non-profit organization created in 2005 to encourage the importance of literacy among inner-city youth and also works as a motivational speaker throughout New Jersey.

In addition John works with Heroes and Cool Kids, a non-profit company based in North Jersey which mentors high school student athletes.

Through Celestand Consulting, John does motivational speaking and puts together seminars on education and character development all across the tri-state area.