3-Aminobiphenyl is an organic compound with the formula C<sub>6</sub>H<sub>5</sub>C<sub>6</sub>H<sub>4</sub>NH<sub>2</sub>. It is one of three monoamine derivatives of biphenyl. It is a colorless solid, although aged samples can appear colored. It is obtained from 3-bromoaniline and phenylboronic acid by Suzuki coupling.