Arturo López Espinosa (1 February 1889 – 30 April 1970) was a Spanish footballer who played as a forward for Madrid FC and Sociedad Gimnástica in the 1910s.
[5] In the 1909–10 season, he played a total of seven matches for Madrid, including two in the regional championship and two in the 1910 Copa del Rey (UECF), which ended in 0–2 losses to Athletic Bilbao and Vasconia.
[9] Espinosa remained loyal to the club until 1915, when he returned to Madrid FC, with whom he played for just one year before retiring at the end of the 1915–16 season.
[3] He made his refereeing debut in La Liga on 29 November 1931, in a match between Valencia CF and Real Unión, which ended in a 5–1 win to the former.
[12] In 1952, the 63-year-old Espinosa served as the 13th president of the National Committee of Referees during a brief interlude between Pedro Escartín and the return of Eulogio Aranguren.