Isiah "Butch" Robertson (August 17, 1949 – December 6, 2018) was a professional American football player who played linebacker for the Los Angeles Rams (1971–1978) and the Buffalo Bills (1979–1982). He was selected to six Pro Bowls during his years with the Rams. He had 25 career interceptions, returning three for touchdowns, scoring a fourth touchdown on a fumble recovery in 1978. According to Rams and Bills records, Robertson also sacked the quarterback 24+1⁄2 times and forced 16 fumbles in his career.