The 1977 Welsh International took place in Cardiff . It was the 27th edition of these Wales Badminton International Championships .
| discipline | winner |
|---|---|
| Men's singles |
England Mike Tredgett
|
| Ladies singles |
England Gillian Gilks
|
| Men's doubles |
England David Eddy Eddy Sutton England
|
| Ladies doubles |
England Barbara Sutton Marjan Ridder Netherlands 
|
| Mixed |
England Elliot Stuart Gillian Gilks England
|
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