Ligyrus is a genus of beetles in the tribe Pentodontini, from the Americas. It was originally erected by Hermann Burmeister in 1847, then merged with the genus Tomarus, then restored by M.M. López-García and C. Deloya in 2022.

Species: The following are included in BioLib.cz:
subgenus Ligyrodes Casey, 1915
# Ligyrus peruvianus
# Ligyrus relictus
# Ligyrus sallaei
subgenus Ligyrus Burmeister, 1847
# Ligyrus adoceteus
# Ligyrus allonasutus
# Ligyrus bidentulus
# Ligyrus burmeisteri
# Ligyrus cicatricosus
# Ligyrus cuniculus
# Ligyrus fossor
# Ligyrus gibbosus - the carrot beetle
# Ligyrus nasutus
# Ligyrus neglectus
# Ligyrus pullus
# Ligyrus rubripes
# Ligyrus villosus