Joanna Krupa (born April 23, 1981 in Warsaw, Poland) is a Polish model and actress. Joanna was raised in Chicago, Illinois, USA and now resides in Los Angeles. She has two younger sisters named Martha and Carlina and is the daughter of hotelier Steven Krupa.

Krupa has appeared on various magazine covers including FHM, Personal, Inside Sport, Stuff, Steppin Out, Teeze, and Maxim. She appeared in a pictorial in the July 2005 issue of Playboy magazine.

Maxim magazine named her #61 in its 2006 Hot 100 list. She is also featured in their Girls of Maxim gallery and was voted German Maxim's Model of the Year 2004/2005.

GQ (SA) presents Joanna on its October cover: "Joanna Krupa - the sexiest woman in the world? the evidence is inside"

She stated in her Playboy interview (In part with her pictorial) that she is dating Jensen Ackles from Smallville. It is believed they are no longer together as of 2006, however that has not been proven yet. Jensen now stars on his own tv show Supernatural

She was a juggy dancer on The Man Show for a brief period of time. While she stated it was fun, she admitted that it was a waste of time.