Ohio held primaries for each of its 16 U.S. House seats on April 28, 2020. The general election will be held on November 3.

The following results are based on the Ohio Secretary of State’s unofficial election results report at 3 p.m. EDT on April 30. The Secretary of State’s office reported that there were 244,061 outstanding absentee and provisional ballots at that time.

• District 1: Kate Schroder defeated Nikki Foster with 68% of the vote in the Democratic primary. Incumbent Steve Chabot (R) and Kevin Kahn (Libertarian) ran unopposed.
• District 2: Jaime Castle (D) ran unopposed. Incumbent Brad Wenstrup defeated H. Robert Harris with 94% of the vote in the Republican primary.
• District 3: Incumbent Joyce Beatty defeated Morgan Harper with 68% of the vote in the Democratic primary. Mark Richardson defeated Cleophus Dulaney with 86% of the vote in the Republican primary.
• District 4: Shannon Freshour defeated Jeffrey Sites and Mike Larsen with 48% of the vote in the Democratic primary. Incumbent Jim Jordan (R) and Steve Perkins (Libertarian) ran unopposed.
• District 5: Nick Rubando defeated Xavier Carrigan and Gene Redinger with 51% of the vote in the Democratic primary. Incumbent Bob Latta (R) ran unopposed.
• District 6: Shawna Roberts (D) ran unopposed. Incumbent Bill Johnson defeated Kenneth Morgan with 87% of the vote in the Republican primary.
• District 7: Incumbent Bob Gibbs (R), Quentin Potter (D), and Brandon Lape (Libertarian) ran unopposed.
• District 8: Vanessa Enoch defeated Matthew Guyette with 79% of the vote in the Democratic primary. Incumbent Warren Davidson defeated Edward Meer with 91% of the vote in the Republican primary.
• District 9: Incumbent Marcy Kaptur defeated Peter Rosewicz with 91% of the vote in the Democratic primary. Rob Weber defeated Charles Barrett, Timothy Corrigan, and Tim Connors with 60% of the vote in the Republican primary.
• District 10: Desiree Tims defeated Eric Moyer with 70% of the vote in the Democratic primary. Incumbent Michael Turner defeated John Anderson and Kathi Flanders with 87% of the vote in the Republican primary.
• District 11: Incumbent Marcia Fudge defeated Michael Hood, Tariq Shabazz, and James Jerome Bell with 91% of the vote in the Democratic primary. Laverne Gore defeated Jonah Schulz and Shalira Taylor with 48% of the vote in the Republican primary.
• District 12: Alaina Shearer defeated Jennifer Bell with 59% of the vote in the Democratic primary. Incumbent Troy Balderson defeated Tim Day with 84% of the vote in the Republican primary. John Stewart (Libertarian) ran unopposed.
• District 13: Christina Hagan defeated six other candidates in the Republican primary with 66% of the vote. Incumbent Tim Ryan (D) and Michael Fricke (Libertarian) ran unopposed.
• District 14: Hillary O’Connor Mueri (D) ran unopposed. Incumbent David Joyce defeated Mark Pitrone with 83% of the vote in the Republican primary.
• District 15: Joel Newby defeated Daniel Kilgore with 66% of the vote in the Democratic primary. Incumbent Steve Stivers defeated Shelby Hunt with 88% of the vote in the Republican primary.
• District 16: Aaron Godfrey defeated Ronald Karpus with 67% of the vote in the Democratic primary. Incumbent Anthony Gonzalez (R) ran unopposed.