Tachypompilus is a genus of spider wasps, found in the Neotropics Nearctic, eastern Palearctic, Indomalayan and Afrotropics.

Species: The species included in Tachypompilius include:

• Tachypompilus analis (Fabricius, 1781) red-tailed spider wasp
• Tachypompilus atratus (Colomo de Correa, 1985)
• Tachypompilus banksi (Colomo de Correa, 1985)
• Tachypompilus erubescens (Taschenberg, 1869)
• Tachypompilus ferrugineus (Say, 1824) rusty spider wasp
• Tachypompilus gracilis (Colomo de Correa, 1985)
• Tachypompilus ignitus (Smith, 1855) rain spider wasp
• Tachypompilus larssoni (Kurczewski, 2007)
• Tachypompilus latus (Smith)
• Tachypompilus mendozae (Dalla Torre, 1897)
• Tachypompilus ovambo (Arnold, 1937)
• Tachypompilus pallidus (Banks, 1947)
• Tachypompilus praepotens (Kohl, 1894)
• Tachypompilus rubiginosus (Taschenberg)
• Tachypompilus torridus (Cresson)
• Tachypompilus unicolor (Banks, 1919) red-tailed spider hunter
• Tachypompilus vitripennis (Arnold, 1937)
• Tachypompilus vulpes (Dalla Torre)
• Tachypompilus xanthopterus (Rohwer, 1913)