William James Fitzgerald (November 1, 1861 – December 17, 1937) was an American politician.
Since 1883 he lived in Dodge City, Kansas, where he was engaged in the cattle and farming business.
In 1894 he was elected to the Kansas House of Representatives where he became a member of the ways and means committee.
After the end of his time as Lieutenant Governor Fitzgerald stayed active in politics.
Fitzgerald died on December 17, 1937, in San Diego, California, at the age of 77.