Lützelbach (German pronunciation: [lʏtsəlˌbax]ˈ) is a municipality in the Odenwaldkreis (district) in Hesse, Germany.

The municipality lies in the northern Odenwald on the Hesse-Bavaria boundary in a richly wooded setting.

Lützelbach’s Ortsteile are Lützel-Wiebelsbach (the municipality's administrative seat), Seckmauern, Haingrund, Breitenbrunn and Rimhorn.

Breitenbrunn, which has 830 inhabitants today, had its first documentary mention in 1273, but is believed to have already arisen by the 11th century.

The municipal election held in 2001, 2006, 2011 and 2016 yielded the following results: Spiritual Adviser Joseph Klein, as of 16 November 1987 (born 1913 in Bieber (now Offenbach), died 2005) Worth seeing is the course of the Neckar-Odenwald Limes with the watchtower foundations and the castrum remains.