Celtic have been paired with FC Copenhagen, who finished runners-up to Malmo in Group B. Neil Lennon's side travel to Denmark for the first leg on Thursday February 20 and are at home in the second leg on Thursday February 27.
Rangers will face Braga, who topped Group K ahead of Wolves. Steven Gerrard's team are at home in the first leg on Thursday February 20 and go to Portugal for the return match on Wednesday February 26.