Geronimo "Ronnie" Dyogi (20 July 1949 – 23 July 2016) was a Filipino judoka. He competed in the men's half-middleweight event at the 1972 Summer Olympics.^[1]

Dyogi was born in Manila, Philippines on 20 July 1949 to Ramon Dyogi, Sr. and Aurora Samonte.^[2] Since his father is a diplomat, Dyogi spent most of his childhood in various parts of Asia, outside the Philippines. He and his family resided in Japan when he was age 6 to 12.^[3] He was initially involved in freestyle wrestling but switched to judo when he was residing in Japan. He attended Mapúa Institute of Technology.^[2]

Dyogi attended the Kodokan Institute where he trained in Judo. At age 15, he attained the rank of first dan and received his black belt. At the 1954 Asian Games which was hosted in Manila, he won a bronze medal.^[2] He finished third in 1966,^[2] 1970,^[4] and 1974 editions of the Asian Judo Championships. At the 1969 World Championships in Mexico he finished in fifth place while in the 1971 edition he finished in 7th place. At the 1972 Summer Olympic Games in Munich he finished tenth.^[2]

After retiring from competitive sports, Geronimo Dyogi settled in the United States with his family. He worked as an automobile mechanic and managed his own auto repair business. He later moved from California to Texas, where he worked for the City of West University Place until his retirement. Dyogi died on 23 July 2016 in Sugar Land, Texas.^[2]

Geronimo Dyogi married Evelyn in 1977, whom he met in San Francisco, California in 1973. They had two children.^[2]

• Geronimo Dyogi at Olympedia