Jeffery Lynn "Jeff" Keith (born October 12, 1958 in Texarkana, Arkansas) is an American musician, best known as the lead singer of the band Tesla.[1] He was also the lead singer for the band Bar 7.[2]

Before he became part of Tesla, Keith lived in Idabel, Oklahoma with his mother Anita and sister Joey. He attended Idabel High School and eventually moved to Sacramento, California to live with his father. Keith started out singing in the band Troubleshooter with his brother BK, before joining City Kidd (later known as Tesla) in 1983. He now lives with his wife and son in Granite Bay, California.