Avishag Semberg is an Israeli Olympic taekwondo athlete. She is an Olympic bronze medalist for Israel at the 2020 Summer Olympics in the women's 49 kg competition. She won Israel's all-time tenth Olympic medal, and is the youngest Israeli to receive an Olympic medal, at the age of 19. Semberg represented Israel at the 2024 Paris Olympics in the women's taekwondo -49 kg category. Saudi athlete Dunya Abutaleb defeated Semberg in the first round.