Alan Peter Schramm Cayetano, also known by his initials APC, is a Filipino lawyer, politician, and former diplomat who served as the 33rd president of the Senate from May 2026 until his removal from the post in June 2026. Cayetano had the second-shortest total tenure as Senate president at 23 days. He disputed his ouster from the position on June 3, then conceded to the new majority bloc led by Senate President pro tempore Sherwin Gatchalian on June 17.