José Manuel Ibar Azpiazu (also known as Urtain; 14 May 1943 – 21 July 1992) was a Spanish boxer, who became the EBU heavyweight champion in 1970 and 1971.

When he was young he started practising Basque rural sports, known as Herri Kirolak, specially aizkolaritza (wood-chopping) and harri-jasotze (stone lifting) before becoming a professional boxer.

In 1970, he became the EBU heavyweight champion in Madrid after defeating the German Peter Weiland in the seventh round.

[1] He then lost his crown on 10 November 1970 at Wembley stadium in London against Britain's Henry Cooper.

[4] The next year in 1971 he recovered the European EBU champion crown against Jack Bodell,[5] but lost it again in 1972 against Jurgen Blin.