Karlshamn is a locality and the seat of Karlshamn Municipality in Blekinge County, Sweden. It had 13,576 inhabitants in 2015, out of 31,846 in the municipality.

Ola Henrik Lindholm is a Swedish television personality from Karlshamn, Blekinge County. He has been the host of several popular television shows in Sweden, including Skrotslaget, Ola 21:30, Söndagsöppet, Riktig talkshow, Myror i brallan, Wild Kids, Glasklart, and Melodifestivalen 2004. Lindholm was the editor in chief of the popular Swedish children's magazine Kamratposten from 2006 to 2011. He currently lives in Lidingö with his wife and son.