Bignasco is a village in the district of Vallemaggia, in the canton of Ticino, Switzerland, consolidated into the adjacent municipality of Cevio.

Bignasco is a village situated at the confluence of the river Maggia and the Bavona in the Swiss canton of Ticino, near the Italian border.

In the 14th century Bignasco, Cavergno, Menzonio and Brontallo formed a single cooperative, but each village remained autonomous.

[2]: 15 Bignasco was the largest municipality in the district by area and also included the hamlet of San Carlo in the Valle Bavona.

[1] The parish church dedicated to the Archangel Michael in the 15th century was renovated several times.