| Arnaldo | |
| Fullname: | Arnaldo Patusca da Silveira |
| Birth Date: | 6 August 1894 |
| Birth Place: | Santos, Brazil |
| Position: | Forward |
| Years1: | 1906–1910 |
| Clubs1: | Americano |
| Years2: | 1911 |
| Clubs2: | SPAC |
| Years3: | 1912–1913 |
| Clubs3: | Santos FC |
| Years4: | 1914 |
| Clubs4: | Paulistano |
| Years5: | 1915–1922 |
| Clubs5: | Santos FC |
| Nationalyears1: | 1914–1919 |
| Nationalteam1: | Brazil |
| Nationalcaps1: | 14 |
| Nationalgoals1: | 0 |
Arnaldo Patusca da Silveira (6 August 1894 - 24 June 1980), known as Arnaldo, was a Brazilian footballer who played as a forward. He made 14 appearances for the Brazil national team from 1914 to 1919.[1] He was also part of Brazil's squad for the 1916 South American Championship.[2]