Sir Gregory Page-Turner, 3rd Baronet (16 February 1748 – 4 January 1805) was a wealthy landowner and politician in late 18th century England, serving as Member of Parliament (MP) for Thirsk for 21 years. Gregory Turner ("Page" was added later) was the eldest son of Sir Edward Turner, 2nd Baronet of Ambrosden near Bicester in Oxfordshire. Gregory succeeded him to become the third Turner baronet on 31 October 1766.