Teodoro "Teddy" Acevedo Casiño is a Filipino activist, writer, and journalist. He was a member of the House of Representatives for Bayan Muna.

Bayan Muna is a party-list in the Philippines, a member of the leftist political coalition Makabayan. The motto of the party is "New Politics, the Politics of Change", against "traditional, elitist, pro-imperialist politics". Its platform includes the advocation of a government that progressively supports the working class, with meaningful representation of all democratic sectors in the Philippines. Bayan Muna was the second most popular party-list party in the 2007 Philippine elections. In 2009, Bayan Muna Representative Satur Ocampo and former Bayan Muna and incumbent Gabriela Representative Liza Maza ran for senate seats as guest candidates under the ticket of billionaire real estate magnate Senator Manny Villar. Ocampo said that their common objective “is to emancipate the people from widespread poverty and social injustice."