Timothy Michael Donnelly is an American Republican politician who was a member of the California State Assembly, representing the 59th and 33rd districts. Before his election to the Assembly in November 2010, Donnelly was a small businessman. He resides in Twin Peaks, California. On January 22, 2013, Donnelly announced his intention to seek the Republican nomination for Governor of California in the 2014 election. He placed third in the open primary, behind incumbent governor Jerry Brown and investment banker Neel Kashkari, who contested the election in November 2014.

The 2014 California gubernatorial election was held on November 4, 2014, to elect the Governor of California, concurrently with elections for the rest of California's executive branch, as well as elections to the United States Senate in other states and elections to the United States House of Representatives and various state and local elections.