Aleksander Walerianczyk (born 1 September 1982, in Kraków) is a former Polish high jumper.

He won the 2005 Summer Universiade in Izmir.

His personal best jump is 2.36 metres, achieved in July 2003 in Bydgoszcz.

Waleriańczyk tested positive for caffeine at Hochsprungmeeting in Eberstadt 27 July 2003 and received a public warning.

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