Lawless Lawyer (Korean: 무법 변호사; RR: Mubeop Byeonhosa) is a 2018 South Korean television series starring Lee Joon-gi, Seo Yea-ji, Lee Hye-young, and Choi Min-soo. The series was written by Yoon Hyun-ho and directed by Kim Jin-min. The series is set in the fictional city of Kisung which is described as lawless and corrupt.

The series follows characters Bong Sang-pil and Ha Jae-yi who form the Lawless Law Firm. Sang-pil, a former gangster turned lawyer, seeks to avenge his mother and fight against those with absolute power. He often resorts to using his fists and loopholes in the law to achieve his goals. Ha Jae-yi is a lawyer of high integrity who works with Sang-pil after she is suspended for assaulting a judge. Together they use the law to fight for justice against corrupt judge Cha Moon-sook and her associates.

Lawless Lawyer premiered on tvN on May 12, 2018. It concluded on July 1, 2018 with the airing of the 16th episode. The series was a commercial hit and became one of the highest-rated Korean dramas in cable television history.