Rounin is a 2007 Philippine television drama romantic science fiction series produced and aired by ABS-CBN. It is a fantasy and martial arts series shown in Philippine TV and is said to be one of the most expensive locally produced TV series aired in the Philippines. It is also the first Filipino (and the first Southeast Asian) series shot using high-definition video technology. The series is line produced by Reality Films while Larger Than Life Productions is handling post, visual effects, VFX supervision, mastering and grading. The series was shot using Panasonic’s P2 technology. The series ended after one season due to failure to do well in the ratings game. It aired from April 16 to July 26, 2007, with a total of 67 episodes.

It features an ensemble cast including Luis Manzano, Angelica Panganiban, Rafael Rosell, Jhong Hilario, Nikki Gil, Shaina Magdayao, Rayver Cruz, Joross Gamboa, Melissa Ricks, Geoff Eigenmann, Aaron Junatas, Agot Isidro, Ina Raymundo, Monsour del Rosario, Aubrey Miles and Diether Ocampo.