Toshi Horiya (8 November 1897 - 4 February 2011) was a validated Japanese supercentenarian and, at the time of her death, the oldest living woman in the Kagoshima prefecture.
Toshi Horiya was born in Japan on 8 November 1897. She lived on the island of Tokunoshima, located in the Kagoshima Prefecture. Horiya passed away on 4 February 2011 at the age of 113 years, 88 days. She was succeeded as Kagoshima's oldest living person by Nabi Tajima. At the time of her death, she was Japan's second-oldest woman, behind Chiyono Hasegawa, and the third-oldest person, behind Hasegawa and Jiroemon Kimura.