Synergini is a tribe of gall wasps in the subfamily Cynipinae.

[1][2] The following genera are generally accepted within Synergini:[3] All of these except Lithosaphonecrus and Rhoophilus are found in the eastern Palearctic realm.

[3] Synergus has the greatest number of species in Synergini.

[6] A reworking of the entire Cynipidae family published in 2015 transferred three genera formerly included in Synergini to other tribes - Ceroptres to a tribe of its own (Ceroptresini), and Periclistus and Synophromorpha to Diastrophini.

[8] Species in Synergini usually make use of galls made by wasps in tribe Cynipini.