Jonathan James Caldwell (born 10 June 1984) is a professional golfer from Northern Ireland.

[3] Caldwell played on the 2009 European Tour, but did not perform well enough to retain his card.

From 2012 to 2017 he played mostly on the PGA EuroPro Tour, winning tournaments in 2016 and 2017.

He finished fifth in the 2017 Order of Merit to earn a place on the Challenge Tour for 2018.

In June 2021, Caldwell claimed his breakthrough win at the Scandinavian Mixed, an event co-sanctioned by the Ladies European Tour.