Defender Richard Hinds and midfielders Dominic Blizzard and Gavin Williams will all depart Huish Park this summer after the club revealed they will not be offering deals to the trio.
Johnson told the club's official website: "I would like to wish all three players the best of luck for their careers in football in the future and thank them for their efforts for Yeovil Town during their stay at the club."
Hinds, 32, joined the Glovers after leaving Lincoln in February 2012 and made 36 starts but was often on the substitutes bench in the run in.
Former Bristol Rovers midfielder Blizzard, 29, spent two seasons with the club and scored five times in 62 appearances.
Williams' departure brings an end to his fourth spell as a Yeovil player. Having made over 100 apperances between 2002 and 2004 the Welshman returned for two loan spells during 2010 before making a permanent move the following summer.