Aas or Ås may refer to:
- Alexander Aas (born 1978), Norwegian football defender
- Alf-Jørgen Aas (1915–1981), Norwegian painter
- Arto Aas (born 1980), Estonian politician
- Berit Ås (1928–2024), Norwegian politician
- Einar Jan Aas (born 1955), Norwegian footballer
- Erling Aas-Eng (born 1965), Norwegian politician
- Johan Aas (born 1960), Norwegian politician
- Kari Aas (1886–1978), Norwegian teacher and Scout leader
- Karl Aas (1899–1943), Norwegian gymnast
- Kätlin Aas (born 1992), Estonian model
- Kim Aas (born 1970), Danish politician
- Nils Aas (1933–2004), Norwegian sculptor
- Per Almar Aas (1929–2014), Norwegian politician
- Rene Aas (born 1969), Estonian motorcycle racer
- Roald Aas (1928–2012), Norwegian speed skater and cyclist
- Taavi Aas (born 1966), Estonian politician, acting Mayor of Tallinn September 2015
- Th. Valentin Aass (1887–1961), Norwegian sailboat racer
