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A field experiment was conducted to study the effect of insect pollination on growth and yield of common buckwheat (Fagopyrum esculentum Moench.) at farmers ’ field of Meghauli, Chitwan, Nepal during the winter season of 2012/13. There were 5 treatments consisting of open pollination, hand pollination, Apis cerana F. pollination, Apis mellifera L. pollination and control with four replications laid out in Randomized Complete Block Design (RCBD). The experimental results showed that there was significantly lower plant height (49.71 cm at peak flowering and 54.75 cm at harvest) and branch number (2.72) in Apis cerana F. pollinated plot followed by Apis mellifera L. pollinated plots (50.33 cm at peak flowering and 56.67 cm at harvest, branch number 2.89) compared to open pollination, hand pollination and control plot. Also, Apis cerana F. pollination increased grain set (36.37) in terms of total number of grains per plant followed by Apis mellifera L. pollination (34.83). Apis cerana F. and Apis mellifera L. pollination significantly increased the value of grain weight (137.25 g/m 2 and 123 g/