|Full name||José María Argoitia Acha|
|Date of birth||18 January 1940|
|Place of birth||Galdakao, Spain|
|Height||1.77 m (5 ft 10 in)|
|1962||→ Indautxu (loan)||9||(3)|
|* Senior club appearances and goals counted for the domestic league only.
Born in Galdakao, Biscay, Argoitia joined Athletic Bilbao in 1960, from Basque neighbours CD Basconia. He made his La Liga debut on 2 October in a 1–3 away loss against Sevilla FC, and spent a total of 12 seasons with the club, appearing in 308 official games and scoring 70 goals.
Argoitia's best input with the Lions came in the 1966–67 campaign, when he netted 11 times in 22 appearances to help his team to the seventh position. He retired in 1973 at the age of 33, after splitting 1972–73 with Sestao Sport Club in the lower leagues and Racing de Santander in Segunda División.