Isabella Wallhead (born 15 February 2003) is an Australian soccer player who plays for the Perth Glory in the W-League.
Wallhead grew up in Perth and played at the 2019 AFC under 16 Women's Championship in Thailand. She was one of 5 West Australians in the squad and scored 2 goals in the qualifying match against Palestine in an 11–0 victory. Australia lost in the semi-finals and failed to qualify for the world cup.
Wallhead was selected for the Perth Glory squad for the 2019–20 W-League season, and made her debut against Adelaide United on 3 January 2020. In her second match against Western Sydney Wanderers, she scored an own goal in a 3-1 loss.