Quis separabit? (Latin: Who will separate [us]?) is a motto of the Royal Dragoon Guards the Order of St. Patrick, The Royal Ulster Rifles, the Irish Guards and the North Irish Horse. It also appears on the Coat of arms of Northern Ireland. It is also used as the motto of the 4th/7th Royal Dragoon Guards, a cavalry regiment of the British Army from 1922 to 1992. It appears on the Seal of South Carolina, for other reasons.