electoral fraud
illegal interference with the process of an election, either by increasing the vote share of the favored candidate, depressing the vote share of the rival candidates, or both
cooping
election fraud in which people are kidnapped and coerced to vote
voter impersonation in the United States
form of electoral fraud in the United States
clientelism
exchange of goods and services for political support
vote buying
form of electoral fraud
foreign electoral intervention
activity by one nation to interfere in the electoral process of another sovereign nation
carousel voting
fraudulent voting by the same people at a series of locations
Bulgarian train
vote rigging in which a pre-filled ballot is cast and the blank ballot stolen to be used in the next vote