Nicholas/Nicolas Walsh or Nick Walsh may refer to:Nicholas Walsh (bishop), bishop of Ossory in the Church of Ireland Nicholas Walsh (judge) (1542–1615), Irish judge, politician and landowner Nicholas Walsh (soccer), Australian footballer Nicolas Walsh (physician), American physiatrist Nicolas Eugene Walsh (1916–1997), American prelate of the Roman Catholic Church Nicholas Walsh , fictional character on the Australian soap opera Home and Away Nick Walsh, lead singer of Canadian band Slik Toxik Nick Paton Walsh, British journalist Nick Walsh (referee), Scottish football referee Nick Walsh (footballer), Australian rules footballer