1977 London WCT

{{TennisEventInfo|1977|London WCT|

| date=28 March – 3 April

| edition=6th

| category=WCT

| prize_money=$100,000

| draw=16S / 8D

| location=London, England

| venue=Earls Court Exhibition Centre

| attendance=30,000+

| surface=Carpet / indoor

| champs={{flagicon|USA}} Eddie Dibbs {{cite web|title=1977 London WCT – Singles draw|url=https://www.atptour.com/en/scores/archive/london/262/1977/draws?matchType=singles|publisher=Association of Tennis Professionals (ATP)}}

| champd = {{flagicon|ROM}} Ilie Năstase / {{flagicon|ITA}} Adriano Panatta{{cite web|title=1977 London WCT – Doubles draw|url=https://www.atptour.com/en/scores/archive/london/262/1977/draws?matchType=doubles|publisher=Association of Tennis Professionals (ATP)}}

| before_name=Rothmans International Trophy

| before_year=1975

| after_year=no

| main_name= Rothmans International Tennis Tournament {{!}} London WCT

}}

The London WCT was a men's professional tennis tournament held on indoor carpet courts at the Earls Court Exhibition Centre in London, England. It was the sixth and final edition of the tournament and was held from 28 March through 3 April 1977. The event was part of the 1977 World Championship Tennis circuit. Fourth-seeded Eddie Dibbs won the singles title and £18,000 / $30,000 first–prize money.{{cite book|title=World of Tennis 1978 : a BP yearbook|year=1978|publisher=Macdonald and Janes|location=London|isbn=9780354090391|pages=173, 176|editor=John Barrett|editor-link=John Barrett (tennis)}}{{cite news|title=It's cinch for Evert in finals|url=https://news.google.com/newspapers?id=aUpOAAAAIBAJ&sjid=qu0DAAAAIBAJ&pg=6688%2C1907774|newspaper=The Spokesman-Review|date=4 April 1977}}{{cite news |title=Dibbs proves a point |url=https://www.newspapers.com/image/259565996/ |work=The Guardian |date=4 April 1977 |page=14 |via=Newspapers.com |url-access=limited}}