Lea Ellingsen is a 18-year-old professional football player from NOR. He currently plays for Kolbotn Women, wearing the number 11 shirt. At the international level, he represents Norway U17 Women. He plays primarily as a Defender.

Throughout the UEFA European U19 Women's Championship 2025-2026, Lea Ellingsen featured in 3 matches, averaging 0.3 tackles, 0.3 interceptions, and 0 clearances per game, while blocking 0 shots per game.