Marcelino "Marcy" Reyes Teodoro, is a Filipino politician who is the 12th and incumbent Mayor of Marikina. Prior to his election as mayor, Teodoro served as the representative for Marikina's 1st congressional district from 2007 to 2016.

Marikina's 1st congressional district is one of the two congressional districts of the Philippines in the city of Marikina. It has been represented in the House of Representatives of the Philippines since 2007. The district was created in 2006 following the passage of Republic Act No. 9364 which amended the 1996 Marikina City Charter. It consists of the southern Marikina barangays of Barangka, Calumpang, Industrial Valley Complex, Jesus de la Peña, Malanday, San Roque, Santa Elena, Santo Niño and Tañong. It is currently represented in the 19th Congress by Maan Teodoro of the United Nationalist Alliance (UNA).