John de Bermingham, 1st and last Earl of Louth (died 13 June 1329) was an Irish peer.
[2] He fought in the Battle of Faughart on 14 October 1318 as commander of the forces loyal to King Edward II of England against the army led by Edward Bruce, who had been crowned High King of Ireland.
[3] He had three children with Aveline: their son Richard, Lord Ardee, died in 1322.
In 1322 he went to England with a force of 300 men-at-arms, 1,000 hobilars and 6,000 foot to aid the King in fighting the Scots.
In 1749 the earldom was created again for a collateral descendant, Thomas Bermingham, 1st Earl of Louth, but it became extinct again on his death in 1799.