Brithany Arronis is a professional footballer from CRC and is currently 18 years old. At international level, he features for Costa Rica U17 Women. His main role on the pitch is Defender.

Across the CONCACAF U17 Women's Championship 2025-2026, Brithany Arronis appeared in 7 matches and averaged 1.3 tackles, 0.1 interceptions, 0.9 clearances, and 0 blocked shots per game.