The 1986 Copa de la Liga was the fourth and last edition of Copa de la Liga.
The competition started on May 1, 1986, and concluded on June 14, 1986.
Due to time constraints, saturation and club pressure, the Copa de la Liga only lasted four years since 1982, being cancelled in 1986.
The Copa de la Liga was played by 18 teams of 1985-86 La Liga and 4 winners of 1985 Copa de la Liga of Segunda División, Segunda División B and Tercera División.
The team that has the higher aggregate score over the two legs progresses to the next round.