The 51st Writers Guild of America Awards, given in 1999, honored the film and television best writers of 1998.
Out of Sight – Scott Frank Shakespeare in Love – Marc Norman and Tom Stoppard "Proofs for The Existence of God" – Nothing Sacred – Paul Leland "Frasier's Imaginary Friend" – Frasier – Rob Greenberg The Love Letter – James S. Henerson Years are of film release; ceremonies are held the following year