| Juana Castellaro | |
| Full Name: | Juana Castellaro Morello |
| Birth Date: | 2005 3, df=yes |
| Birth Place: | Buenos Aires, Argentina |
| Position: | Defender |
| Currentclub: | River Plate |
| Years1: | –present |
| Clubs1: | River Plate |
| Nationalyears1: | 2022–Present |
| Nationalteam1: | Argentina |
| Nationalcaps1: | 4 |
Juana Castellaro Morello (born 29 March 2005)[1] is an Argentine field hockey player.
In 2022, Castellaro was first called into the U21 Argentina team. Later that month, she was also part of the U18 team that competed in the 2022 South American Youth Games. Because of an outstanding performance in both competitions, she was kept in the U21 team and called into the senior team as Lucina von der Heyde was dismissed.[2]