Sumiko Shirakawa (白川 澄子 Shirakawa Sumiko?) (born 26 June 1935 – body discovered 26 November 2015) was a veteran voice actress from Shibuya, Tokyo. She was best known for her roles in Sazae-san (as Hiroshi Nakajima), Doraemon (as Hidetoshi Dekisugi from 1980-2005) and Space Ace (as Ace).
On 26 November 2015, Shirakawa failed to attend a voice recording session for Sazae-San. Her body was discovered at her home by family members and Sazae-San staff members. She died of a subarachnoid hemorrhage at her home in Tokyo. She was 80 years old.
- Himitsu no Akko-chan (1969) - Motoko "Moko" Naniwa
- Jump Out! Batchiri (1966) - Batchiri
- Kaitō Pride (1965) - Check
- Sazae-san (1969) - Hiroshi Nakajima
- Space Ace (1965) - Ace
- Dog of Flanders (TV series) (1975) - Andre
- Doraemon (1979-2005) - Hidetoshi Dekisugi
- Astro Boy (1980) - Mitsuru, Pula
- Space Dandy (2014) - Hiroshi