Kathryn Louise Beck is a New Zealand academic, a registered dietitian, and is a full professor at Massey University, specialising in dietary assessment, sustainable nutrition, and iron deficiency in young women and sportspeople.

After completing Bachelor of Physical Education and Bachelor of Science degrees at the University of Otago, Beck moved to Massey University to undertake a Master's degree on the effect of meat extract on iron absorption.

[2] Beck then joined the faculty of the university, rising to full professor in 2024.

Beck's research covers dietary assessment, sustainable nutrition and especially iron deficiency.

[6] Beck is a registered dietitian, and leads the Master of Science in Nutrition and Dietetics at Massey.