Rahn may refer to:
People
- Arthur Rahn (1897–1962), German military pilot
- Helmut Rahn (1929–2003), German footballer
- Johann Rahn (1622–1676), Swiss mathematician
- Matthias Rahn (born 1990), German footballer
- Muriel Rahn (1911–1961), American singer and actress
- Otto Rahn (1904–1939), German medievalist and an Obersturmführer of the SS
- Richard W. Rahn (born 1942), American economist
- Rudolf Rahn (1900–1975), German diplomat
- Uwe Rahn (born 1962), German footballer
- Werner Rahn (born 1939), German historian and former naval officer
Places
- Rahn, Iran
- Rahn, Oman
- Rahn Township, Pennsylvania, U.S.
See also
- Taavi Rähn, an Estonian professional footballer
- Rahns, Pennsylvania, U.S.