Kajsa is a Swedish feminine given name. Initially, Kajsa, Kaisa or Cajsa was a variation of the name Karin, in turn a variation of the name Katarina (Catherine). It is known in Sweden since 1540. It is also used in Finland and Norway.

Notable people with the name include:

• Halta-Kajsa (1792–1857), Swedish story teller
• Kajsa Bergqvist (born 1976), Swedish high jumper
• Kajsa Bergström (born 1981), Swedish curler
• Kajsa Ekis Ekman (born 1980), Swedish journalist and writer
• Kajsa Ernst (born 1962), Swedish actress
• Kajsa Grytt (born 1961), Swedish musician
• Kajsa Kling (born 1988), Swedish alpine skier
• Kajsa Nilsson (born 1982), Swedish orienteer
• Kajsa Norman (1820–1903), Swedish folk musician
• Kajsa Ollongren (born 1967), Dutch-Swedish politician
• Kajsa Reingardt (born 1957), Swedish actress
• Kaisa Pöyry (1818-1892), Finnish cunning woman and herbalist
• Kajsa Rinaldo Persson (born 1997), Swedish tennis player
• Kajsa Thoor (1971–2023), Swedish journalist and television presenter
• Kajsa Wahlberg, Swedish police official
• Cajsa Wahllund (1771-1843), Swedish-born Finnish restaurateur
• Cajsa Warg (1703-1769), Swedish cookbook author

• Kajsa Anka, Swedish name for Daisy Duck
• Ysätters-Kajsa, legendary creature in Swedish folklore
• Kajsa Kavat, story by Swedish writer Astrid Lindgren, named after the main character

• Kaisa (name)

This page or section lists people that share the same given name.
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