Inga sinacae is a species of legume in the family Fabaceae.
It is endemic to Veracruz state in eastern Mexico.
World Conservation Monitoring Centre (1998). 'Inga sinacae'. The IUCN Red List of Threatened Species. IUCN. 1998: e.T38310A10109889. doi:10.2305/IUCN.UK.1998.RLTS.T38310A10109889.en. Retrieved 16 December 2017.