Forestry Research Institute of Nigeria (FRIN) is the Nigerian Government agency that is responsible for forestry research. It is headquartered in Jericho, Ibadan.

FRIN was established as the Federal Department of Forestry Research in 1954.^[1] The Institute’s Decree 35 of 1973 and order establishing Research Institute of 1977 changed the status of the Department to an institute. It is supervised by the Federal Ministry of Environment, but the only Research Institute of the Ministry.

FRIN operates the Federal College of Forestry in Ibadan (FEDCOFOR). It is charged with training and developing Forestry and Agricultural practice.^[2]

FEDCOFOR has six specialized research departments and three support departments. It is a mono-technic institution, offering both the National Diploma (ND) in Forestry technology, Agricultural technology, Wood and Paper technology, Horticulture and landscape technology, Crop production technology and Higher National Diploma (HND) in Forestry technology, Wood and Paper technology, Horticulture and landscape technology, Crop production technology and Agricultural Extension management.

The index herbarium code for the Forest Herbarium Ibadan, the herbarium associated with FRIN, is FHI.^[3]