Jack Martin Blades (born April 24, 1954) is an American musician. He has worked in the bands Rubicon, Night Ranger (as bassist and one of the lead vocalists), and Damn Yankees (as one of the founding members). He has also recorded with Tommy Shaw under the name Shaw Blades, and has done work alongside the Tak Matsumoto Group. Blades' most recent efforts include a second solo CD. He is also a member of the band Revolution Saints.