Joe Lynn Turner (born Joseph Arthur Mark Linquito, August 2, 1951) is an American singer best known for his work with Rainbow, Deep Purple, and Yngwie Malmsteen.

Turner joined Rainbow in the early 1980s, performing on the albums Difficult to Cure (1981), Straight Between the Eyes (1982), and Bent Out of Shape (1983). Following Rainbow's disbandment, Turner collaborated with Yngwie Malmsteen on the studio album Odyssey (1988) and the live album Trial by Fire: Live in Leningrad (1989). In 1989, he became a member of Deep Purple, contributing to the album Slaves and Masters (1990) and toured with the band on a world tour in 1991. Beyond his collaborations, Turner has released nine solo albums under his own name, beginning with his debut Rescue You (1985), and most recently Belly of the Beast (2022). Additionally, he has released two albums as part of the Hughes Turner Project: HTP (2002) and HTP 2 (2003).

On August 22, 2022, Turner openly revealed his long-standing battle with alopecia. Diagnosed at the age of three, Turner began wearing a wig at 14.