Hermogenes Sombillo Concepcion (April 19, 1887 – 1988) was a Filipino lawyer and politician.

He represented the lone district of Nueva Ecija at the House of Representatives of the Philippines from June 6, 1922, to June 2, 1925, and again from September 25, 1943, to February 2, 1944 (National Assembly).

He later represented the third district at the Senate of the Philippines from June 5, 1934, to September 16, 1935.

[3] In 1934, he was elected senator from the 3rd District comprising Tarlac, Nueva Ecija, Pampanga and Bulacan, serving until the legislature was replaced by the unicameral National Assembly in 1935.

[2] During the Second World War, he became a member of the National Assembly of the Japanese-installed Second Philippine Republic, representing Nueva Ecija.