Abay is both a surname and a given name. Notable people with the name include:

Surname[edit]

• Aydo Abay (born 1973), German singer and songwriter of Turkish descent
• Dong Abay (born 1971), Filipino musician
• Korhan Abay (born 1954), Turkish actor
• Oszkár Abay-Nemes (1913–1959), Hungarian swimmer
• Péter Abay (born 1962), Hungarian fencer
• Yordanos Abay (born 1984), Ethiopian footballer

Given name[edit]

• Abay Bokoleyev (born 1996), Kyrgyz footballer
• Abay Qunanbayuli (1845–1904), Kazakh poet
• Abay Tsehaye (1953–2021), Ethiopian politician
• Abay Weldu (born 1965), Ethiopian politician