Pim Walsma (born 3 February 1987, in Amsterdam) is a Dutch baseball player who currently plays for the Amsterdam Pirates and the Dutch national team.^{[citation needed]}

He attended Lower Columbia College in the United States.^[1] During his sophomore season, he went 2-3 with a 3.27 ERA.^{[citation needed]}

Walsma debuted in the Hoofdklasse in 2005 and went 1-6 with a 5.11 ERA, walking 38 in 44 innings for the Amsterdam Pirates; he was 5th in the league in free passes.^{[citation needed]} He fell to 1-6, 6.75 in 2006 with 40 walks in 371⁄3 innings, finishing 6th in walks. He participated in the MLB European Academy that summer.^{[citation needed]} In 2007, Walsma was 1-2 with a save and a 7.62 ERA for Amsterdam, with 19 hits and 13 walks in 13 innings.

In 2008, he began the season 1-4 with 5 saves and a 4.22 ERA, fanning 48 in 422⁄3 IP. Walsma was added to the Dutch national team for the 2008 Haarlem Baseball Week. He allowed one run in 62⁄3 IP in the event.^{[citation needed]} He then was selected by coach Robert Eenhoorn in the team that represents the Netherlands at the 2008 Summer Olympics in Beijing.^[2]

In the 2009 World Baseball Classic, Walsma got a start against the Puerto Rico.^{[citation needed]}