In the present study seeds of Daucus carota commonly known as wild carrot were evaluated for its effect on Sperm characteristics and testis histology in male albino rats. The Daucus carota seed extract (DCSE) was orally administered at dose of 200 and 400mg/kg b.w for 90 days after which body weight and reproductive organs weight, spermatozoa characteristic, histological changes in the testis were observed. The result revealed significant decrease (P<0.001) in weight of primary and secondary reproductive organ. Remarkable changes like vacuolization and degeneration of seminiferous tubules were observed in the testis of the rats treated with high dose. The treatment also caused significant (P<0.001) decrease in sperm motility, sperm count. Large numbers of sperms were found to be morphologically divested. The results from the present study suggest that seed extract of Daucus carota possess the potential to adverse affect on testicular function in rats.