Lynette Joy Tippett ONZM is a New Zealand professor of psychology at the University of Auckland, specialising in neurodegenerative diseases.

Tippett completed her PhD titled Producing mental pictures: a study of visual-image generation processes in brain-lesioned patients in 1991.

[2] Tippett has taught neuropsychology for more than 30 years, and supervised more than 80 graduate students.

[2] She is a member of the Alzheimer's New Zealand Clinical and Scientific Advisory Board.

[2] In the 2023 King's Birthday and Coronation Honours, Tippett was appointed an Officer of the New Zealand Order of Merit, for services to neuropsychology and people with dementia.