Sir Nicholas Overbury (1551 – May 1643) was an English lawyer, landowner and politician who sat in the House of Commons from 1604 to 1611.
He was called to the bar at the Middle Temple and was chosen Autumn Reader in 1600.
On 8 December 1610 he became Chief Justice of the Great Sessions for Carmarthenshire, Cardiganshire, and Pembrokeshire, remaining until 1637.
His eldest son was Sir Thomas Overbury, who was poisoned in the Tower of London in 1613.
[1] A daughter, Margaret Overbury, married Edmund Lechmere of Hanley Castle (d. 1650) in 1610.