Arguiñano is a Basque language surname. Notable people with the surname include:

Eva Arguiñano (born 1960), Spanish chef and television presenter Karlos Arguiñano (born 1948), Spanish chef and television presenter, brother of Eva Gonzalo Arguiñano (born 1962), Spanish footballer Zubiarraín (1945–1993), Spanish footballer, full name Jesús María Zubiarraín Arguiñano