John "JoJo" Hermann (born July 18, 1962) is an American singer, musician and songwriter, best known for his involvement in the band Widespread Panic.

[2] Hermann began playing piano in the local band Beanland with George McConnell on guitar appearing on JoJo's Defector, Smiling Assassin, and with Widespread Panic (1993–2006).

After extensive touring of the Southeast with Beanland, he then went on to join Athens, Georgia based Widespread Panic in 1992 with whom he still plays keyboard and organ.

Hermann is known for his lead vocals on many New Orleans style jazz and blues covers and originals along with gospel-style organ playing.

He has been heavily influenced by artists such as Professor Longhair, Otis Spann, Junior Kimbrough and Otha Turner among others.