Hiroya (written: 博也, 弘也, 浩哉, 寛也, 大也 or 碩哉) is a masculine Japanese given name. Notable people with the name include:
Hiroya (kickboxer) (born 1992), Japanese kickboxer
Hiroya Ebina (蝦名 大也) (born 1959), Japanese mayor
Hiroya Hatsushiba (初芝 弘也), Japanese video game musician
Hiroya Ino (井野 碩哉) (1891–1980), Japanese politician
Hiroya Ishimaru (石丸 博也) (born 1941), Japanese voice actor
Hiroya Masuda (増田 寛也) (born 1951), Japanese politician
Hiroya Matsumoto (松本 寛也) (born 1986), Japanese actor
Hiroya Oku (奥 浩哉) (born 1967), Japanese manga artist
Hiroya Saito (斉藤 浩哉) (born 1970), Japanese ski jumper