Gymnusini is a tribe of rove beetles in the subfamily Aleocharinae. It is a basal aleocharine group, and they inhabit riparian habitats. It was described in 1839.

The tribe was expanded by a revision in 2017 that synonymized the previously recognized tribe Deinopsini under Gymnusini, which now contains 8 genera:

• Adinopsis Cameron, 1919
• Allodinopsis Ashe, 2002
• †Cretodeinopsis Cai, Chenyang & Diying Huang, 2015
• Deinopsis Matthews, 1838
• †Electrogymnusa Wolf-Schwenninger, 2004
• Gymnusa Gravenhorst, 1806
• Metadeinopsis Klimaszewski, 1979
• Stylogymnusa Hammond, 1975

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