Peter Joseph Casey (born 9 October 1957) is an Irish entrepreneur and political candidate.
He is the founder and former Executive Chairman of Claddagh Resources, a global recruitment and executive search business.
From 2012 to 2014 he was a panellist on the RTÉ television programme Dragons' Den, in which he was one of the investors adjudicating business plan pitches.
He was a candidate in the 2018 Irish presidential election, coming second.
In April 2019, he announced his candidature that year's European Parliament elections, in the Midlands-North-West constituency.