Martin Miguel Mangay del Rosario (born November 25, 1991), also known by his screen name Martin del Rosario, is a Filipino actor. He is known for his portrayal of Norberto Matias in the series Minsan Lang Kita Iibigin as well as Severino 'Sev' Monzon in the adapted series Pintada.
After 6 years with ABS-CBN, he is now with GMA Network and he became part of the psychological suspense melodrama series Rhodora X.
Martin del Rosario met Jun Reyes, his manager, on his way to Lourdes School of Quezon City—--his highschool alma mater--—in the summer of 2007. Reyes, who was in the area at that time to buy lechon for Gerald Anderson's birthday, came to him and asked if he wanted to be an actor. He replied 'No' but Reyes left him a calling card and asked for his phone number. He gave Jun Reyes his mom's phone number. He then went to ABS-CBN for acting workshops. After this, he was launched as one of the new talents launched of Star Magic on its 15th anniversary last May 2007.
Del Rosario, is currently taking up BA Broadcast Communication at the University of the Philippines Diliman. He is the nephew of GMA News host Connie Sison.
His first television role was playing Ray Avellino in Star Magic Presents: Abt Ur Luv. He also played the younger brother of Roxanne Guinoo in Sineserye Presents: Natutulog Ba Ang Diyos? in the same year.
When Star Magic Presents: Abt Ur Luv Ur Lyf 2 ended in 2008, he appeared in another two seasons of Star Magic Presents namely: Astigs in Haay...skul lyf and Astigs in Luvin' Lyf. He appeared in three episodes of Maalaala Mo Kaya in 2008. He also landed a supporting role in ABS-CBN's prime time drama Iisa Pa Lamang.
In 2009, he played a molested teenager in the "Boarding House" episode of Maalaala Mo Kaya. He was cast as Otap, the main antagonist, of Your Song Presents: Boystown. He then went on to appear in two more episodes of Maalaala Mo Kaya in the same year. He also had a special participation in May Bukas Pa and a supporting role in Katorse.
Del Rosario made his film debut in 2010. He had a supporting role in Star Cinema's Till My Heartaches End and a lead role in the indie film Dagim. According to del Rosario, his first film was Dagim but Till My Heartaches End came out in cinemas earlier. In television, he appeared in the afternoon drama series Magkano Ang Iyong Dangal? and Juanita Banana. He also portrayed gay roles in the "Headband" episode of Maalaala Mo Kaya and in the horror-fantasy drama TV series Rosalka.
In 2011, Del Rosario made a cameo appearance in the 2010 remake of Mara Clara and was cast as Norberto Matias in Minsan Lang Kita Iibigin. While filming a fight scene in Minsan Lang Kita Iibigin, del Rosario accidentally shot Andi Eigenmann with a blank bullet. Eigenmann was rushed to the St. Luke's Medical Center in Quezon City. The actress suffered second degree burns. Del Rosario later apologized for the accident. He received his first acting award in the same year. He won "Breakthrough Performance by an Actor" for the film Dagim in the 8th Golden Screen Awards presented by the Entertainment Press Society, Inc. He also won the "New Movie Actor of the Year" award, for the same film, in the 27th PMPC Star Awards for Movies. He played Ulam the brother of Pura, played by Melai Cantiveros, in the film The Adventures of Pureza, directed by Soxie Topacio.
In 2012, he was the lead actor of Precious Hearts Romances Presents: Pintada, together with Denise Laurel. It was directed by Cathy Garcia Molina.