The 2017–18 UCLA Bruins men's basketball team represented the University of California, Los Angeles during the 2017–18 NCAA Division I men's basketball season. The Bruins were led by fifth-year head coach Steve Alford and played their home games at Pauley Pavilion as members in the Pac-12 Conference. They finished the season 21–12, 11–7 in Pac-12 play to finish in a three-way tie for third place.

The UCLA Bruins men's basketball program represents the University of California, Los Angeles in the sport of men's basketball as a member of the Big Ten Conference. Established in 1919, the program has won a record 11 NCAA titles. Coach John Wooden led the Bruins to 10 national titles in 12 seasons, from 1964 to 1975, including seven straight from 1967 to 1973. UCLA went undefeated a record four times. Coach Jim Harrick led the team to another NCAA title in 1995. Former coach Ben Howland led UCLA to three consecutive Final Four appearances from 2006 to 2008. As a member of the AAWU, Pacific-8 and then Pacific-10, UCLA set an NCAA Division I record with 13 consecutive regular season conference titles between 1967 and 1979 which stood until tied by Kansas in 2017. In 2024, UCLA departed the Pac-12 Conference to join the Big Ten Conference.