2011 Delta State gubernatorial by-election

{{Infobox election

| election_name = 2011 Delta State gubernatorial by-election

| image2 =

| after_election = Emmanuel Uduaghan

| before_party = People's Democratic Party (Nigeria)

| before_election = Emmanuel Uduaghan

| title = Governor

| map_caption =

| map_size =

| map_image =

| percentage2 =

| popular_vote2 = 138,244

| party2 = DPP

| nominee2 = Great Ogboru

| percentage1 =

| country =

| popular_vote1 = 275,253

| party1 = People's Democratic Party (Nigeria)

| nominee1 = Emmanuel Uduaghan

| image1 =

| election_date = January 6, 2011

| next_year = 2011

| next_election = 2011

| previous_year = 2007

| previous_election = 2007

| ongoing = no

| type = presidential

| after_party = People's Democratic Party (Nigeria)

}}

The 2011 Delta State gubernatorial by-election was the 1st gubernatorial by-election of Delta State after the 2007 Delta State gubernatorial election was annulled.{{cite web | last=Shemang | first=Ben | title=Nigeria's Delta state gears up for test case election | website=RFI | date=2011-01-05 | url=https://www.rfi.fr/en/africa/20110105-nigerias-delta-state-gears-test-case-election | access-date=2025-03-15}} Held on January 6, 2011, the People's Democratic Party nominee Emmanuel Uduaghan won the election, defeating Great Ogboru of the Democratic People's Party.{{Cite web|title=Uduaghan Wins Delta Guber Re-run… As Ogboru Rejects Votes Declared by INEC|url=https://www.thenigerianvoice.com/news/43293/uduaghan-wins-delta-guber-re-run-as-ogboru-rejects-votes-de.html|access-date=2021-05-13|website=Nigerian Voice}}{{Cite web|last=Egbosiuba|first=Dr Michael|title=Analysis of Recent Delta State Governorship Re-Run » All Things Nigeria|url=https://www.allthingsnigeria.com/2011/analysis-of-recent-delta-state-governorship-re-run/|access-date=2021-05-13|language=en-US}}