The 2017–18 EuroCup Basketball Playoffs began on 6 March and end on 13 or 16 April 2018 with the second or third leg, if necessary, of the 2018 EuroCup Finals, to decide the champions of the 2017–18 EuroCup Basketball. Eight teams compete in the playoffs. Times up to 24 March 2018 are CET (UTC+1), thereafter (third leg semifinals and finals) times are CEST (UTC+2).