2016 United States Senate election in Oklahoma

2016 United States Senate election in Oklahoma
	Lankford: 40–50% 50–60% 60–70% 70–80% 80–90% >90%; Workman: 30–40% 40–50% 50–60% 60–70% 70–80% 80–90% >90%; Tie: 40–50%; No votes
U.S. senator before election; James Lankford; Republican	Elected U.S. Senator ; James Lankford; Republican

The 2016 United States Senate election in Oklahoma was held November 8, 2016 to elect a member of the United States Senate to represent the State of Oklahoma, concurrently with the 2016 U.S. presidential election, as well as other elections to the United States Senate in other states and elections to the United States House of Representatives and various state and local elections. The primaries were held June 28.^{[citation needed]}

Incumbent Republican Senator James Lankford won re-election to a full term in office by a landslide margin of 43%, sweeping every county statewide in the Republican stronghold.