Polarstern (disambiguation)
Polarstern stands for:
- North polar star , see Polar star
 - South polar star , see Polaris Australis
 - Polar stars of other planets, see Appearance of the sky of other planets
 - Operation Polarstern , Soviet attack operation in February / March 1943 in northern Russia
 - Polarstern (Almanach) , Russian almanac published in the middle of the 19th century
 
Geographic objects:
- Polarstern Canyon , deep sea trench in the Weddell Sea, Antarctica
 - Polarstern Knoll , submarine reef rock in the Weddell Sea, Antarctica
 
Ships:
- High-speed catamaran ferry Polarstern operated by AG Ems, see Supercat (ship)
 - Polarstern (ship, 1964) , a reefer ship operated by the Hamburg Süd shipping company
 - Polarstern (ship, 1982) , German research ship designed as an icebreaker
 
See also:
- Polar Star , ship
 - Polar Star , Northrop Corporation aircraft for polar explorer and aviator Lincoln Ellsworth