The Maserati Biturbo is a family of executive grand tourers produced by Italian automobile manufacturer Maserati between 1981 and 1994. The original Biturbo was a two-door, four-seater notchback coupé (of somewhat smaller dimensions than the BMW 3 Series of the time) featuring, as the name implies, a two-litre V6 engine with two turbochargers and a luxurious interior.

The car was designed by Pierangelo Andreani, Chief of Centro Stile Maserati up to 1981, somewhat influenced by the design of the then recent Quattroporte III (penned by Italdesign Giugiaro).

All Maserati models introduced from the Biturbo's inception in 1981 until 1997 were based on the original Biturbo architecture, including the later grand tourers like the Shamal and Ghibli II. The Barchetta, while of a different layout entirely, used an ultimate version of the Biturbo V6 engine.