The biwa is a Japanese short-necked fretted lute.

Biwa may also refer to:

Biwa, Shiga, a town in Shiga Prefecture, Japan Biwa (restaurant), a former restaurant in Portland, Oregon, U.S. Biwa trout, an anadromous fish in the salmon family enzootic to Lake Biwa Eric Biwa, a former Namibian politician Lake Biwa, a lake in Shiga Prefecture, Japan Loquat or biwa, a fruit tree in the subfamily Maloideae of the family Rosaceae, indigenous to southeastern China