Mark Quandahl (born 1961) is an Omaha attorney appointed by Governor Pete Ricketts as the Director of Nebraska Department of Banking and Finance, a former member of the Nebraska State Board of Education representing District 2, and the former Chairman of the Nebraska Republican Party.
Born in Omaha, he graduated from Ralston High School in 1980. He graduated from the University of Nebraska-Lincoln in 1984 and obtained his law degree from the University of Nebraska-Lincoln College of Law in 1987.
He was appointed to the Nebraska Legislature in 1999 by Governor Earl Benjamin "Ben" Nelson to fill out the term of newly elected State Auditor Kate Witek. He was elected in 2000 to represent Nebraska's 31st Legislative District. During his tenure in the Legislature he served as the Chairman of the Banking, Commerce, and Insurance Committee.
After retiring from the Legislature in 2004, Quandahl was elected Chairman of the Nebraska Republican Party in February 2005, to succeed David Kramer, who was running for United States Senate. He was unanimously reelected as State Party Chairman in 2007 with his term concluding in January 2009. He did not seek a third term and was succeeded by Lincoln attorney, Mark Fahleson. Quandahl was elected as a Nebraska Delegate to the 2004 Republican National Convention in New York, New York, and he, also, served as a Nebraska Super-Delegate to the 2008 Republican National Convention in St. Paul, Minnesota, as a Delegate for President George W. Bush and John McCain at each of the respective conventions.