The Illinois Department of Financial and Professional Regulation (IDFPR) is the Illinois state government code department[1][2] that through its operational components, the Division of Banking, Division of Financial Institutions, Division of Professional Regulation, and Division of Real Estate, oversees the regulation and licensure of banks and financial institutions, real estate businesses and professionals, and various licensed professions, and is charged with enforcing standards of professional practice and protecting the rights of Illinois residents in their transactions with regulated industries.

The Illinois Department of Financial and Professional Regulation was created on July 1, 2004.

It is responsible for the regulation, oversight, and licensure of almost 300 different types of professional licenses and financial institutions.

The current director ("Secretary") of this department is Mario Treto, Jr. On April 1, 2014, Executive Order 3 (2014) was issued and created the Division of Real Estate.

IDFPR is also responsible for tracking and reporting the sales made at adult use cannabis dispensaries.