9 pages., via online journal., This study assessed the use of Facebook by farmers and extension agents in Otukpo Local Government Area of Benue State, Nigeria. One Hundred respondents (80 farmers and 20 extension agents) were selected using purposive and random sampling techniques. Research findings revealed that most farmers (56.2%) reported a low level of use of Facebook, while 50% of extension agents made high use of Facebook. Major constraints to using Facebook were poor network services for farmers and power failure for extension agents. Sex, formal education and income had significant effect on the farmers' level of Facebook use. It is therefore recommended that Internet services and electricity be improved in the study area.