Congorhynchus (Greek for "Congo snout") is an enigmatic, likely polyphyletic genus of prehistoric marine ray-finned fish that was described by E. Darteville and E. Casier in 1949.

[1] It is only known from isolated spines that were previously interpreted as the fossilized rostra of an early billfish (possibly a blochiid).

[2] Fossils belonging to Congorhynchus date back to the Maastrichtian stage of the Late Cretaceous.

If the Eocene species (C. elliotti and C. kinnei) are members of this genus, or if the Paleocene fossils from Niger belong to this genus, then Congorhynchus would have survived the Cretaceous–Paleogene extinction event that killed the dinosaurs.

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