Beatrice Nkatha Nyaga (December 1957 – 17 October 2024) was a Kenyan politician from the Jubilee Party.
Nkatha was the woman representative in the Parliament of Kenya for Tharaka-Nithi County from 2013 to 2022. In 2023, Nkatha was appointed a Chief Administrative Secretary (CAS) at the National Treasury. Nkatha died on 17 October 2024, at the age of 66.