Arnold Wetl (born 2 February 1970 in Eibiswald) is a retired Austrian footballer who played as a midfielder.

During his career he played for Sturm Graz, with whom he won 4 domestic cup titles, FC Porto, Rapid Wien and FC Gratkorn.

Wetl made his debut for Austria in an April 1991 friendly match against Norway and was a participant at the 1998 FIFA World Cup.

His final international match was the embarrassing 0–9 defeat by Spain in a European Championship qualification match in March 1999.

This biographical article related to association football in Austria, about a midfielder, is a stub.