Susann Sundkvist (born 8 December 1957) is a Finnish athlete.

Sundkvist has won six consecutive Finnish championships in the High jump at the senior level.

At club level she represented Idrottsföreningen Drott and Kokkola Veikko of Pietarsaar.

She reached silver in the European Athletics U20 Championships in 1975 in Athens with a measure of 1.86 m. She was coached by Göran Brunell.

Sundkvist is the youngest winner of the Finnish high jump championship.