A lubricating oil composition for a continuously variable transmission according to the invention includes: a base oil of lubricating oil; components (A) to (C) below: (A) an acidic phosphorus compound expressed by a formula (1) below, where: R1, R2 and R3 each independently represent hydrogen or an alkyl group having 8 or less carbon atoms, R1, R2 and R3 being not simultaneously hydrogen nor the alkyl group, X1, X2, X3 and X4 each represent oxygen or sulfur, and n represents zero or one, in which when n is zero, at least two of X1, X2 and X3 are sulfur and when n is one, at least two of X1, X2, X3 and X4 are sulfur; (B) an imide compound; and (C) an alkaline earth metal salt.