Tukuʻaho is a surname. Notable people with the surname include:
Fatafehi 'Alaivahamama'o Tuku'aho (1954–2004), Tongan Prince Nanasipauʻu Tukuʻaho (born 1954), Queen of Tonga Princess Lātūfuipeka Tukuʻaho (born 1983), Tongan royal Salote Maumautaimi Tuku'aho (born 1991), Tongan royal Siaosi Tukuʻaho, Tongan politician Sitiveni Tuku'aho (born 1990), Tongan Prince Viliami Tupoulahi Mailefihi Tukuʻaho (1957–2014), Tongan politician Tuku'aho, 14th Tu’I Kanokupolu of Tonga