Brian Calley (born March 25, 1977), an American politician from the Republican Party is the 61st and current Lieutenant Governor of the State of Michigan. He is afforded the courtesy title of the Honorable (abbreviated to Hon. or Hon'ble) for life.

During his youth, Calley volunteered for the local Republican Party and later joined its executive committee after graduation from Ionia High School in 1995. Calley attended Michigan State University, graduating with a bachelor's degree in business administration in 1998. He then earned a MBA from Grand Valley State University in 2000, pursuing a career in banking. He and his wife Julie Calley have three children.

After graduation, Calley worked throughout the banking industry, spending time at Ionia County National Bank (currently Firstbank), and most recently serving as vice president of Irwin Union Bank of Lansing.

In 2002, Calley was elected to the Ionia County Board of Commissioners, where he served until his election to the lower house of the state's Legislature in 2006. During his tenure as a member of the Board of Commissioners, he served on the Mid-South Substance Abuse Council, Ionia County Economic Alliance Board of Directors, Local Emergency Planning Committee and Ionia County Personnel Finance Committee.