Definition of ballot | Bee Dictionary of English

n a document listing the alternatives that is used in voting
n a choice that is made by counting the number of people in favor of each alternative
v vote by ballot
The voters were balloting in this state

But casting my ballot "against all" would mean that I recognize the election as legitimate.
An expatriate American citizen casts her ballot at a polling station organized by Democrats Abroad in Berlin, Germany.
Voters deliberated on more than 150 ballot initiatives in the 2008 election.

Boulder drafting ballot language for three-year fracking moratorium
Two weeks after the Boulder City Council approved a one-year moratorium on new oil and gas drilling permits, council members asked Tuesday night for ballot language for a measure establishing a three-year ban.
June 19, 2013 - Boulder Daily Camera
Bangor Voters Say "Yes" to Ballot Questions
Voters in Bangor passed all three ballot questions Tuesday. The municipal election took place at the new Cross Insurance Center. This is the first time it's been used as the city's polling station. Voters said "yes" to the Bangor School Department's budget for the upcoming year. The budg . . .
June 19, 2013 - WABI Bangor
Woodside may revisit ballot measure on farmers' market
There is still a chance for a November 2013 ballot measure asking Woodside voters whether to amend zoning rules to allow a farmers' market in a parking lot downtown, where parking is scarce.
June 18, 2013 - The Almanac

Hillary Rodham Clinton in Washington Post
We're winning the popular vote and I'm more determined than ever to see that every vote is cast and every ballot is counted,Clinton said.
Kevin Rudd in NEWS.com.au
I am simply calling for a ballot of the leadership of the Australian Labor Party,he said. "I believe that's the right and responsible course to undertake. My fundamental interests are to preserve the good name and standing of this...
Hamid Karzai in guardian.co.uk
I request that the Afghan people come out and vote, so through their ballot Afghanistan will be more secure, more peaceful,Karzai said.