The following new species of Dryinidae are described from Kenya: Anteoninae: Anteon bytebieri, A. copelandi, A. shimbanum, A. whartoni; Dryininae: Dryinus copelandi, D. shimbanus; Gonatopodinae: Gonatopus baginei. The following new species of Embolemidae are described: Ampulicomorpha nzigidaherai, from Burundi and Kenya; Embolemus burundensis, from Burundi. Updated checklists of Dryinidae, Embolemidae and Sclerogibbidae of Kenya and Burundi are presented. Embolemidae are recorded for the first time in Kenya and Burundi. With the above new records, 39 species of Dryinidae, four species of Embolemidae and 12 species of Sclerogibbidae are now known from Kenya, and two species of Dryinidae, three species of Embolemidae and one species of Sclerogibbidae are known from Burundi.