What is "newcomen"

Newcomen may refer to:

• Viscount Newcomen, of Mosstown in the County of Longford, a title in the Peerage of Ireland
• Newcomen baronets, of Kenagh in the County of Longford, a title in the Baronetage of Ireland

People with the surname Newcomen:

• John Newcomen (c. 1613 – 1630), first white settler murdered by another white settler in Plymouth Colony, Massachusetts
• Matthew Newcomen (c. 1610 – 1669), English nonconformist churchman
• Thomas Newcomen (1663–1729), ironmonger and inventor of the steam engine