To protect and to serve may refer to:
"To Protect and to Serve", the motto of the Los Angeles Police Department since 1963, subsequently adopted by many other police forces in North America The legal concept of police responsibility for public safety – see A.D. Police: To Protect and Serve, a Japanese animated television series "To Protect and Serve" (The Twilight Zone), a Twilight Zone episode "To Protect and Serve" (Only Murders in the Building), a 2021 episode of the TV series Only Murders in the Building
See also To Serve and Protect (disambiguation)