Edcel Castelar Lagman Sr. (Tagalog pronunciation: [ˈedsɛl], born May 1, 1942) is a Filipino human rights lawyer and politician from the province of Albay. He was elected as a member of the House in 1987 up to the present. He served as Minority Floor Leader of the House of Representatives of the Philippines until 2012, when he resigned the office. Lagman is one of the key Liberal Party figures in the House of Representatives, having supported the Reproductive Health Bill (who he principally authored), the SOGIE Equality Bill, the Free Tertiary Education Act, the Anti-Dynasty Bill, and the Freedom of Information Bill. He is also the principal author of the Divorce Bill, the Human Rights Defenders Bill, the Prevention of Teenage Pregnancy Bill, and the Anti-Child Marriage Bill.