- A language, sometimes considered an isolate and sometimes considered West Papuan, spoken in Papua and divided into the dialects Abun Tat (Karon Pantai), Abun Ji (Madik), and Abun Je.
- North Bird's Head
- Yimbun, A Nden, Manif, Karon
- Father, the title of a bishop in an Ethiopian or Coptic church.
- Abuna (the status constructus form used when a name follows, sometimes erroneously used even when it does not precede a name)