Arusyak Grigoryan or Arusiak Grigorian (, born 04.07.2001) is an Armenian woman sport shooter. She specialises in the ISSF Running Target disciplines. She won two silver medals at the 2022 European Championships and a bronze medal at the 2022 ISSF World Championships.
At the 2024 European Championships, she won an individual bronze and four team medals with teammates Lilit Mkrtchyan and Gohar Harutyunyan.
In 2025 she won individual bronze and three team medals at the European Championships.