1966 Bruas by-election

{{Infobox election

| election_name = 1966 Bruas by-election

| country = Malaysia

| type = parliamentary

| ongoing = no

| previous_election = 1964 Malaysian general election

| previous_year = 1964

| next_election = 1969 Malaysian general election

| next_year = 1969

| seats_for_election = P044 seat in the Dewan Rakyat

| election_date = 4 June 1966

| image1 = All

| image_size1 =

| candidate1 = Chew Biow Chuon

| color1 = {{party colour|Alliance Party (Malaysia)}}

| party1 = MCA

| alliance1 = Alliance

| popular_vote1 = 9,464

| percentage1 = 49.17%

| image2 = PPP

| image_size2 =

| candidate2 = Wong Kok Wek

| party2 = PPP

| alliance2 =

| color2 = {{party colour|People's Progressive Party (Malaysia)}}

| popular_vote2 = 6,426

| percentage2 = 33.39%

| image3 = PMIP

| image_size3 =

| candidate3 = Abdul Rahim Salleh

| party3 = PMIP

| alliance3 =

| color3 = {{party colour|Malaysian Islamic Party}}

| popular_vote3 = 3,357

| percentage3 = 17.44%

| title = MP

| before_election = Yeoh Tat Beng

| before_party = Alliance (MCA)

| after_election = Chew Biow Chuon

| after_party = Alliance (MCA)

| turnout = 19,611

| map_image =

| map_size =

| map_alt =

| map =

| map_caption =

}}

The Bruas by-election is a parliamentary by-election that was held on 4 June 1966 in the state of Perak, Malaysia. The Bruas seat fell vacant following the death of its member of parliament Mr. Yeoh Tat Beng of Alliance who was killed by road accident. He won the seat in 1959 Malayan general election as an Independent before cross the floor to Alliance. He defended the seat as Alliance candidate in 1964 Malaysian general election with 3,868 majority.{{Cite news |title=A threeparty contest in Bruas poll |date=1966-05-10 |url=https://eresources.nlb.gov.sg/newspapers/digitised/article/straitstimes19660510-1.2.44 |url-status=live |access-date=2025-02-18 |work=The Straits Times |pages=6 |language=en}}

Chew Biow Chuon of Alliance, won the by election, defeating Wong Kok Wek of PPP and Abdul Rahim Salleh of PMIP with a majority of 3,038 votes. The constituency had 27,014 voters.{{Cite news |title=Solidarity leaders call talks to discuss 'cracks' |date=1966-06-10 |url=https://eresources.nlb.gov.sg/newspapers/digitised/article/straitstimes19660610-1.2.57 |access-date=2025-02-18 |work=The Straits Times |pages=6 |language=en}}