ThedaCare Regional Medical Center-Neenah

ThedaCare Regional Medical Center–Neenah, formerly Theda Clark Medical Center, is a hospital in the north central United States, located on the south end of Doty Island in Neenah, Wisconsin. It is part of the ThedaCare–Froedtert Health care system and a member of the Mayo Clinic Care Network. Children's Wisconsin also operates a hospital on the property focusing on pediatric care.

The medical center is dedicated to Theda Clark Peters, daughter of Charles B. Clark, a philanthropist and one of the founders of Kimberly-Clark Corporation. A renowned community activist herself, she died at age 32 at her home while giving birth in 1903.