The 1937–38 Rugby Union County Championship was the 45th edition of England's premier rugby union club competition at the time.
Lancashire won the competition for the third time after defeating Surrey in the final.
Final
R Horne Furness A B Laithwaite Waterloo Roy Leyland Army Jack Heaton Waterloo Dickie Guest Liverpool University W Howarth Fylde J L Lumby Waterloo Henry Fry Liverpool R T Simpson Metrovick A N Clint Waterloo E W Crewe Broughton Park Fred Huskisson Old Merchant Taylors W H Leather Harlequins Henry Toft Waterloo FC A J Brock Waterloo C W Suter Old Cranleighans W G S Johnston Richmond K S Robinson Harlequins J Harrison Army & Rosslyn Park C E J Lambert Old Cranleighans G H Davies London Welsh J S Maddocks London Welsh Edward Hamilton-Hill Harlequins L H Garrett Rosslyn Park A M Reis Metropolitan Police G B Horsburgh London Scottish Stanley Couchman Old Cranleighans J G Jenkins Harlequins P W Seligman Rosslyn Park W M Frost K.C.S Old Boys
See also English rugby union system Rugby union in England
References