The collisional removal of vibrationally excited OH(v=1) by N(IS) atoms is investigated. The OH radical was prepared by 193 nm photolysis of H2O2, and N(IS) atoms were generated by a microwave discharge in N-2 diluted in argon. The concentrations of OH(v=0 and 1) were monitored by laser-induced fluorescence as a function of the time after the photolysis laser pulse. The N(S-4) concentration was determined from the OH(v=0) decay rate, using the known rate constant for the OH(v=0) + N(S-4) -> H + NO reaction. From comparison of the OH(v=0 and 1) decay rates, the ratio of the rate constant k(v=1)(OH-N) for removal of OH(v=1) in collisions with N(4S) and the corresponding OH(v=0) rate constant, k(v=0)(OH-N) was determined to be 1.61 +/- 0.42, yielding k(v=1)(OH-N) = (7.6 +/- 2.1) x 10(-11) cm(-3) molecule(-1) s(-1), where the quoted uncertainty (95% confidence limits) includes the uncertainty in k(v=0)(OH-N). Thus, the collisional removal of OH(v=1) by N(4S) atoms is found to be faster than for OH(v=0).