John Henry Renner Osmeña, also known as Sonny Osmeña or simply John Osmeña, was the grandson of Philippine President Sergio Osmeña. He served as a senator of the Philippines from 1971 to 1972, 1987 to 1995, and 1998 to 2004. He was the last surviving senator of the 7th Congress, the last Congress before martial law.

Sergio Osmeña Sr. was a Filipino lawyer and politician who served as the fourth President of the Philippines from 1944 to 1946. He was Vice President under Manuel L. Quezon. Upon Quezon's sudden death in 1944, Osmeña succeeded him at age 65, becoming the oldest person to assume the Philippine presidency until Rodrigo Duterte took office in 2016 at age 71. A founder of the Nacionalista Party, Osmeña was also the first Visayan to become president.