Charles Gardiner (21 February 1720 – 20 November 1769) was an Irish landowner and politician.
[3] On 20 March 1741 he married Florinda, daughter of Robert Norman.
He died later the same year and was succeeded by his eldest son Luke, for whom the Mountjoy title was revived in 1785.
The Earldom of Blessington was also revived, in 1816 for Luke's son Charles.
[6] Many of Gardiner's Irish property documents and some maps are now at the National Library of Ireland in the manuscripts section.