Guillermo Timoner Obrador (24 March 1926 – 17 August 2023) was a Spanish cyclist.

During his career, which spanned 52 years, he also won 29 national titles in various cycling disciplines.

He reappeared as a cyclist in 1983, and in 1984 took part in the World Championships in Barcelona in the masters category.

In 1995, aged 69, he won the European Championships, biking a distance of 53.4 km with an average speed of 37.4 km/h.

[4] Timoner lived in his native Felanitx, Balearic Islands, Spain.