Sir Arthur Newcomen, 7th Baronet

{{Short description|Anglo-Irish politician}}

{{Use dmy dates|date=April 2022}}

Sir Arthur Newcomen, 7th Baronet (1701 – 25 November 1759) was an Anglo-Irish politician.

Newcomen was the son of Sir Robert Newcomen, 6th Baronet and succeeded to his father's title on 6 March 1735. He was the Member of Parliament for County Longford in the Irish House of Commons between 1735 and his death in 1759.E. M. Johnston-Liik, [https://books.google.com/books?id=jitdluWSybIC MPs in Dublin: Companion to History of the Irish Parliament, 1692-1800] (Ulster Historical Foundation, 2006), p.111 (Retrieved 19 April 2020).