Robert Higgins appeared at Southampton Magistrates' Court charged with 65 counts of indecent assault against 23 boys all aged under 17.
The court heard the alleged offences date from between 1970 and 1996.
Mr Higgins, 64, of Litchfield Road, Southampton, spoke to confirm his name, date of birth and address during the hearing.
He was given unconditional bail until a hearing at Winchester Crown Court on 16 August.
A former Southampton Football Club youth coach has appeared in court facing historical child abuse offences.