Former Ireland internationals Reggie Corrigan and Guy Easterby and England international Will Green will reitre from professional rugby at the end of the current season.
All three are named in what looks to be a sell-out clash for Leinster's final home match of the season againhst The Borders on Saturday.
In addition, the province's most-capped player Corrigan will presented with a momento to mark his achievement by the Leinster Supporters Club.