Diohines Reguma Tubieron (born 28 December 1989) is a Filipino professional boxer from Puerto Princesa City, Palawan, Philippines.

On September 8, 2012, Tubieron won the WBC International Bantamweight title by defeating the Japanese defending champion Hiroki Shiino by eight-round Technical Knockout.

[2] On September 26, 2014, Tubieron scored a minor upset over highly touted Featherweight prospect Rogelio Jun Doliguez[3] in the headliner of Saved By The Bell Promotions’ boxing card held at the Mandaluyong City Gymnasium.

Tubieron had his hand raised in victory via Technical Majority Decision with the scores of 47-47, 47-46 and 47-46 after Doliguez suffered a deep cut on his forehead following a clash of heads, prompting referee Sammy Bernabe Sr. to halt the contest at the end of round five.

On April 11, 2015, Tubieron lost on points against the Englishman from Leeds prospect Josh Warrington[5] once again for the vacant WBC International Featherweight title.