Björn Gelotte (born 27 August 1975) is a Swedish musician and songwriter, best known as the lead guitarist for metal band In Flames. He originally joined the band as the drummer in 1995, and continued in this position during The Jester Race (1996) and Whoracle (1997). He switched to his current position on lead guitar after Glenn Ljungström left the band, sharing lead/rhythm guitar work with former In Flames guitarist Jesper Strömblad.
In March 2004, Gelotte (along with Jesper Strömblad) was both ranked No. 70 out of 100 Greatest Heavy Metal Guitarists of all time by Guitar World.