Relative to LEP 19GG, the LEP 19AA genotype was inversely associated with FL (OR=0.5, 95% CI 0.3–0.8, P=0.01), but not DLBCL (OR=0.9, 95% CI 0.6–1.4, P=0.70). Here, LEP is linked to diffuse large B-cell lymphoma.