Provided is an electrodeposition liquid for saw wires, said electrodeposition liquid being capable of producing a saw wire, to which a large amount of abrasive grains are adhered, at high speed. This electrodeposition liquid for saw wires is characterized by containing 100 parts by mass to 10,000 parts by mass (inclusive) of abrasive grains and 50 parts by mass to 100 parts by mass (inclusive) of colloidal particles of titanium oxide and/or zirconium oxide and by having an electrical conductivity of less than 10 mS/cm.