There have been five baronetcies created for people with the surname Napier, three in the Baronetage of England, one in the Baronetage of Nova Scotia and one in the Baronetage of the United Kingdom. As of 2014 two of the creations are extant.
The Napier Baronetcy, of Luton Hoo in the County of Bedford, was created in the Baronetage of England on 24 September 1611 for Robert Napier. The title became extinct on the death of the sixth Baronet in 1748.
The Napier Baronetcy, of Merchistoun in the County of Midlothian, was created in the Baronetage of Nova Scotia on 2 March 1627 for Archibald Napier. Later that year he was raised to the Peerage of Scotland as Lord Napier. The baronetcy became dormant in 1683 on the death of the third Lord and third Baronet, while the lordship passed to the late Lord's nephew. The baronetcy was successfully claimed in 1817 by the third Lord Napier's heir male general, the eighth Baronet.
The Napier Baronetcy, of Middle Marsh in the County of Dorset, was created in the Baronetage of England on 25 June 1641 for Gerrard Napier. The title became extinct on the death of the sixth Baronet in 1765.
The Napier Baronetcy, of Punknoll in the County of Dorset, was created in the Baronetage of England on 25 February 1682 for Robert Napier. The title probably became extinct on the death of the second Baronet in 1743.