Margaret Ann Farrow (née Nemitz; November 28, 1934 – March 8, 2022) was an American Republican politician from Wisconsin.

[9] McCallum and Farrow ran for a full four-year term in 2002, but their Republican ticket lost the race to Democrat Jim Doyle.

[13] She was chair of the board of directors of WisconsinEye Public Affairs Network, Inc., which produces the Wisconsin equivalent of C-SPAN.

[15] In 2013, she became the inaugural winner of the annual Margaret Thatcher Award, which honored her contributions, courage, and leadership as one of "Wisconsin's Iron Ladies".

Her son Paul Farrow was elected Waukesha County Executive in 2015[17] and previously served in both chambers of the Wisconsin Legislature.

[19] On December 7, 2017, she announced her immediate retirement from the UW System Board of Regents, stepping down before her term expired in 2020.