Mauricio "Morris" Gamsao Domogan (born October 10, 1946) is a Filipino lawyer and politician and is the longest serving mayor of the city of Baguio.

In 2019, barred by the constitution to a fourth term, he ran once more for the city's lone congressional seat, against the incumbent Congressman, Marquez Go, to whom Domogan suffered the first loss in his political career.

Domogan was born on October 10, 1946, and traces his roots to the remote sitio of Bab-asig, Patiacan, Quirino (formerly Angaki), Ilocos Sur and within the boundaries of Besao, Mountain Province and Tubo, Abra.

part of his Priority Development Assistance Fund (PDAF), was devoted to programmed projects benefiting his constituents in the Barangays, public schools, poor but deserving students, indigent patients, livelihood projects, and computerization program on a continuing basis for elementary and high school of Baguio.

Knowing the problems of the City during the rainy months, he prioritized the dredging, revitalization and construction of the drainage system in the central business district, thus effectively solving the age-old problem of flooding at the foot of Session Road as well as the rehabilitation and repair of the biggest drainage system of the City from the Athletic Swimming Pool to the Rabbit Sink Hole.

Being barred by the constitution to run for a fourth consecutive term in the Congress, he decided to reclaim his post as Mayor of Baguio for the 2010 election.

Also among those reported to seek congressional seat were long-time Baguio City Mayor and Congressman Mauricio G.

By Congress Magazine and Makati Graduate School for the four consecutive years proclaimed Most Outstanding Congressman.

Personally presented by President Fidel V. Ramos on the occasion of the 95th Anniversary of the Philippine Civil Service in September 1995.