Coughlan (/ˈkɒflən/ KOF-lən, /ˈkɒklən/ KOK-lən or /ˈkɒɡlən/ KOG-lən according to the cases, traditional Irish English: /ˈkɔːlən/ KAW-lən)[1] is a surname of Irish origin (Mac Cochláin or Ó Cochláin), meaning 'son of the one with the cloak'. Notable people with the surname include: