The Department of Insurance is a regulatory agency created to regulate the business of insurance in Idaho. State regulation of Idaho's insurance business began in 1901 and in 1961 the present Department of Insurance was created. When the Executive branch of state government was reorganized in 1974, the Department of Insurance became one of twenty major departments of the Executive branch. The director of the department is appointed by the Governor and is subject to confirmation by the state senate.

The state of Idaho is part of the U. S. insurance regulatory framework which is a highly coordinated state-based national system designed to protect policyholders and to serve the greater public interest through the effective regulation of the U. S. insurance marketplace. Through the National Association of Insurance Commissioners (NAIC), U. S. insurance regulators establish national standards and best practices, conduct peer reviews and coordinate their regulatory oversight to better protect the interests of consumers while ensuring a strong, viable insurance marketplace. U.S. insurance regulators also participate in the International Association of Insurance Supervisors (IAIS) along with the NAIC by participating in major standard setting initiatives, including working with fellow regulators from around the world to better supervise cross-border insurers, identifying systemic risk in the insurance sector, and creating international best practices.

Idaho Department of Insurance is a state government office located in Boise, ID.