Peter Esenwein (born 7 December 1967 in Göppingen) is a German javelin thrower.
In the 2004 Summer Olympics he was eliminated in the first round of the javelin throw competition.
He finished sixth at the 2006 European Championships and third at the 2006 World Athletics Final.
This ranked him fourth among German javelin (new implement) throwers, behind Raymond Hecht, Boris Henry and Peter Blank.
[1] All but Hecht were displaced by the new crop of German throwers in 2017 and 2018, Johannes Vetter, Thomas Röhler and Andreas Hofmann.