To realize an imide resin which is favorable in optical use.The imide resin according to the present invention includes: a repeating unit represented by General Formula (1); a repeating unit represented by General Formula (2); and a repeating unit represented by General Formula (3), wherein an orientation birefringence of the imide resin ranges from −0.1×10−3 to 0.1×10−3, where each of R1 and R2 independently represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, and R3 represents a hydrogen atom, an alkyl group having 1 to 18 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, or an aryl group having 6 to 10 carbon atoms, where each of R4 and R5 independently represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, and R6 represents an alkyl group having 1 to 18 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, or an aryl group having 6 to 10 carbon atoms, where R7 represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, and R8 represents an aryl group having 6 to 10 carbon atoms.