| Laís | |
| Fullname: | Arthur Antunes de Moraes e Castro |
| Birth Date: | 11 November 1899 |
| Birth Place: | Rio de Janeiro, Brazil |
| Nationalteam1: | Brazil |
| Nationalyears1: | 1919–1922 |
| Nationalcaps1: | 9 |
| Nationalgoals1: | 0 |
Arthur Antunes de Moraes e Castro (11 November 1899 – 20 December 1963), known as Laís, was a Brazilian footballer who played as a midfielder. He played in nine matches for the Brazil national football team from 1919 to 1922.[1] He was also part of Brazil's squad for the 1919 South American Championship.[2]