ARuga
有賀 is a Japanese surname, read as either Ariga or Aruga. Notable people with the surname include:
Akiko Aruga (有賀 秋子; born 1942), Japanese speed skater
Katsuhiko Ariga (有賀 克彦; born 1962), Japanese chemist
Kōsaku Aruga (有賀 幸作; 1897–1945), or less often by the alternate reading Kosaku Ariga, captain in the Imperial Japanese Navy
Nagao Ariga (有賀 長雄; 1860–1921), or Nagao Aruga, Japanese jurist and historian
Nobuo Ariga (有賀 啓雄; 1964–2023), also known as Hiroo Ariga (有賀 啓夫), Japanese singer-songwriter, bassist, arranger and record producer
Similar Artists