Jan Thore Grefstad (born January 30, 1978 in Tromsø, Norway) is a Norwegian rock singer, best known from heavy metal bands Highland Glory and Wild Willy's Gang. He was for a period a member of the black metal band Frostmoon. He left Highland Glory, October 2007 to form Saint Deamon with Ronny Milianowicz and Magnus 'Nobby' Norberg from Dionysus. He has also done two gigs with TNT as a temporary replacement for singer Tony Mills, who was recovering from health problems in the UK.
- From the Cradle to the Brave (2003)
- Forever Endeavour (2005)
Wild Willy's Gang
- In Shadows Lost From The Brave (2008)
- Pandeamonium (2009)