Nikolai Leonard Smith (born 5 January 1993) is an Irish cricketer who plays for the Italy national cricket team. He qualifies as an Italian citizen through his mother, who comes from Ottaviano. He made his Twenty20 cricket debut for Northern Knights in the 2017 Inter-Provincial Trophy on 26 May 2017. He made his List A debut for Northern Knights in the 2017 Inter-Provincial Cup on 29 May 2017. He made his first-class debut for Northern Knights in the 2017 Inter-Provincial Championship on 30 May 2017.