|Men's canoe sprint|
|2011 Szeged||K-1 200 m|
|2013 Duisburg||K–1 200 m Relay|
|2010 Poznań||K-1 200 m|
|2011 Belgrade||K-1 200 m|
|2010 Trasona||K-1 200 m|
Piotr Siemionowski (born June 6, 1988 in Mrągowo) is a Polish sprint canoeist who has been competing since the late 2000s. He won a World Champion title in the K-1 200 m event at the 2011 ICF Canoe Sprint World Championships in Szeged, Hungary.
Siemionowski trains in the Zawisza Bydgoszcz.
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