Howard Luedtke, also known as Howard “Guitar” Luedtke, is an American blues guitarist, singer, songwriter, and musician. Luedtke is considered one of the best slide guitar players in the American Midwest and currently tours with his band Howard “Guitar” Luedtke & Blue Max.

Blue Max is a Chippewa Falls, Wisconsin-based blues-rock band that has been performing in the upper Midwest for the past two decades.