1977 U.S. Pro Indoor

{{Use mdy dates|date=August 2023}}

{{TennisEventInfo|1977|U.S. Pro Indoor|

| date=January 24–30

| edition=10th

| category=World Championship Tennis

| prize_money=$200,000

| draw=64S / 32D

| surface= Carpet / indoor

| location=Philadelphia, PA, United States

| venue=Spectrum

| attendance=81,798

| champs={{flagicon|USA}} Dick Stockton{{cite web|title=1977 Philadelphia – Singles draw|url=https://www.atptour.com/en/scores/archive/philadelphia/401/1977/draws?matchtype=singles|publisher=Association of Tennis Professionals (ATP)}}

| champd={{flagicon|RSA|1928}} Bob Hewitt / {{flagicon|RSA|1928}} Frew McMillan{{cite web|title=1977 Philadelphia – Doubles draw|url=https://www.atptour.com/en/scores/archive/philadelphia/401/1977/draws?matchtype=doubles|publisher=Association of Tennis Professionals (ATP)}}

}}

The 1977 U.S. Pro Indoor was a men's tennis tournament played on indoor carpet courts that was part of the World Championship Tennis (WCT) circuit. It was played at the Spectrum in Philadelphia, Pennsylvania in the United States. It was the 10th edition of the tournament and was held from January 24 through January 30, 1977.{{cite news|title=U.S. Pro Indoor Kicks Off Today|url=https://news.google.com/newspapers?id=5D8sAAAAIBAJ&sjid=9cwEAAAAIBAJ&pg=5217%2C3859785 |work=The Spartanburg Herald |date=January 24, 1977 |page=B2 |agency=AP}} Dick Stockton, who was seeded 12th, won the singles title while Bob Hewitt and Frew McMillan won the men's doubles.{{cite book|title=World of Tennis 1978 : a BP yearbook|year=1978|publisher=Macdonald and Janes|location=London|isbn=9780354090391|pages=173, 175|editor=John Barrett|editor-link=John Barrett (tennis)}} Total attendance for the tournament was 81,798.{{cite book|editor1-last=Yates|editor1-first=Bob|title=WCT-78 Media Guide|date=1978|location=World Championship Tennis|pages=48, 50–53}}