Shinya (Shin'ya) is a Japanese given name, usually for males. It is pronounced as "Shin-ya", not "Shi-nya". Notable people with the name include:
- Shinya Abe (阿部 晋也, born 1980), Japanese curler and curling coach
- Shinya Adachi (足立 信也, born 1957), Japanese politician
- Shinya Aoki (青木 真也, born 1983), professional mixed martial artist
- Shinya Arino (有野 晋哉, born 1972), Osaka comedian part of Yoiko (よゐこ, Yowiko) and host of GameCenter CX
- Shinya Fukumori (福盛 進也, born 1984), Japanese jazz drummer and composer
- Shinya Hamazoe (浜添 伸也, born 1987), Japanese voice actor
- Shinya Hashimoto (橋本 真也, 1965–2005), professional wrestler
- Shinya Katabuchi (片渕 慎弥, born 1983), Japanese judoka
- Shinya Kato (加藤 慎也, born 1980), Japanese footballer
- Shinya Kayama (嘉弥真 新也, born 1989), Japanese professional baseball player
- Shinya Kimura, bike builder
- Shinya Kumazaki (熊崎 信也, born 1979), Japanese video game director and designer
- Shinya Makabe (真壁 伸也, born 1972), professional wrestler, known professionally as Togi Makabe (真壁 刀義)
- Shinya Matsuda, a voice actor
- Shinya Nakamura (仲邑 信也, born 1973), professional Go player
- Shinya Nakano (中野 真矢, born 1977), motorcycle racer
- Shinya Ōtaki (大滝 進矢, born 1953), a Japanese voice actor
- Shinya Saito (齊藤 慎弥, born 1980), Japanese biathlete
- Shinya Sato (disambiguation), multiple people
- Shin'ya Takahashi (高橋 伸也, born 1978), Japanese voice actor
- Shinya Takahashi (高橋 伸也, born 1963), a video game producer
- Shinya Taniguchi (谷口 晋矢, 1981–2013), Japanese swimmer
- Shinya Tsukamoto (塚本 晋也, 1960), film director and actor
- Shinya Ueda (上田 晋也, born 1970), Japanese comedian and television presenter
- Shinya Yabusaki (薮崎 真哉, born 1978), Japanese footballer
- Shinya Yajima (矢島 慎也, born 1994), Japanese footballer
- Shin'ya Yamamoto (山本 真也, born 1971), Japanese shogi player
- Shinya Yamanaka (山中 伸弥, born 1962), cell biologist
- Shinya (Luna Sea musician) (born 1970), drummer of the band Luna Sea
- Shinya (Dir En Grey musician) (born 1978), drummer of the band Dir En Grey
Fictional characters:
- Shinya Aiba, Tekkaman Evil
- Shinya Kogami, Psycho-Pass
- Shinya Hiragi, Owari no Seraph
- Shinya Mizorogi, Ultraman Nexus
- Shinya Oda, Persona 5
Shinya or Shin'ya (written: 新谷 or 新屋) is also a Japanese surname. Notable people with the surname include:
- Shihomi Shinya (新谷 志保美, born 1979), Japanese speed skater
- Tateki Shinya (新屋 干城, born 1958), Japanese swimmer