Shaiza is a Tangkhul Naga surname. Notable people with the surname include:
Hangmila Shaiza (1920–1997), Indian politician Kanrei Shaiza, Indian historian Rano M. Shaiza (1928–2015), Indian politician Shimreingam Shaiza (d. 1998), Indian Army officer Yangmaso Shaiza (1923–1984), Indian politician
See also List of Naga surnames