Douglas Joel Wieselman (born November 30, 1954) is an American composer and jazz musician.

He started his own group, the Kamikaze Ground Crew, in 1983, with Gina Leishman, and also co-founded the New York Composer's Orchestra in 1986.

Other credits include work with Karen Mantler, Nels Cline, Ben Perowsky, and others.

In addition to his work in jazz, Wieselman has also written music for the performances of the Flying Karamazov Brothers[1] and played as a session musician for pop and rock acts such as She & Him, Cibo Matto, Anohni and the Johnsons, Joan As Police Woman, Iron and Wine, Lou Reed, Yo la Tengo, Martha Wainwright, Shudder To Think, Translator, and others.

He was also a lead composer on The Backyardigans,[2] from which his song "Castaways" became a viral hit on TikTok in 2021.