The Lt. Dan Band is an American cover band originally formed in Chicago in 2003 by Gary Sinise and Kimo Williams to perform at USO shows, entertain troops, and raise money for disabled veterans.

James "Kimo" Williams (born January 8, 1950) is an American composer, musician and professor who has performed with a number of ensembles including his ensemble Kimotion and the Lt. Dan Band, that he co-founded with film/TV actor Gary Sinise.

The Lt. Dan Band is a cover band founded by Kimo Williams and Gary Sinise who have worked together since a Steppenwolf production of A Streetcar Named Desire. The band is named after the character Lieutenant Dan Taylor, whom Sinise portrayed in the film Forrest Gump.