Otto Abbot
Otto Abt or Ottó Abt is the name of the following people:
- Otto Abt (civil servant) (* 1874), German civil servant, President of the Reichspostdirektion Trier
- Ottó Abt (General) (1889–1946), Hungarian lieutenant general
- Otto Abt (painter) (1903–1982), Swiss painter
- Otto Abt (author) (* 1931), German author