Pia Ann-Katrine Sundstedt (born 2 May 1975 in Kokkola, Finland[1]) is a professional former cyclist, who competes in road bicycle racing and mountain bike racing, as well as cross-country skiing events.

Having started in 2006, Sundstedt competes for Rocky Mountain/Business Objects mountain bike racing team.

In 2000, Sundstedt won the Montreal World Cup event and competed for Finland at the 2000 Summer Olympics.

In recent years, the four-time national Finnish national road cycling champion focused her attentions toward marathon mountain bike races and cross country skiing events.

In 2008, Sundstedt came 1st in the Women's Category at the Absa Cape Epic with teammate Alison Sydor.