This is a list of law enforcement agencies in the state of Iowa.
According to the US Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 392 law enforcement agencies employing 5,830 sworn police officers, about 195 for each 100,000 residents.
All Iowa Sheriff's Departments use the same markings and graphics on their patrol vehicles aside from each county having its respective name on the patrol vehicle before the word "County" under the "SHERIFF" door markings.
All road deputies in the state also wear the same khaki and green uniforms.
Polk County Deputies may sometimes be seen with Silver 7-point stars on their uniforms.