Mycoplasma hyopneumoniae, cause of enzootic pneumonia is known for serious economic losses in pigs. The disease is prevalent all over the world.There is no published report on Mycoplasma hyopneumoniae incidence in Grenadian pigs. The aim of this study was to estimate seroprevalence of antibodies for Mycoplasma hyopneumoniae in non vaccinated pigs in Grenada.Sera were collected randomly from 459 pigs of all ages from all six parishes of Grenada. Sera were tested for antibodies to Mycoplasma hyopneumoniae using an indirect Enzyme Linked Immunosorbant Assay (ELISA) kit. Antibodies to Mycoplasma hyopneumoniae were found in 8.71% (95% CI: 0.0644 to 0.1167) pigs. The greatest percent of positives (62.5%) (95% CI: 0.4699 to 0.7582) were in youngest group <1 year, followed by 15% (95% CI: 0.0668 to 0.2946) in < 1 -2 year > 22.5% (95% CI: 0.1211 to 0.3771) in >2 year. Positive females were overrepresented compared to males by 3:1. This is the first report on the seroprevalence of Mycoplasma hyopneumoniae in pigs from Grenada, West Indies.