Magtanggol B. Gatdula was a Filipino lawyer and retired police officer who formerly served as Director of the National Bureau of Investigation.

Graduate of class 1976 in the Philippine Military Academy, Gatdula served as a deputy chief in Ping Lacson's Presidential Anti-Organized Crime Task Force (PAOCTF).

[6] He was appointed by President Noynoy Aquino as the NBI director.

[6] His appointment gained controversy as his appointment allegedly backed by Iglesia Ni Cristo (which Gatdula is also a member), but he later dismissed the allegation.

[9] The allegations of ambushing Deputy Director Esmeralda and extorting a Japanese national made him fired by President Aquino in 2012.