Erin Silver, known mononymously as Silver, is a fictional character on The CW television series 90210, the fourth series in the Beverly Hills, 90210 franchise. Portrayed by Jessica Stroup, the character was originally introduced in Beverly Hills, 90210 as Kelly Taylor and David Silver's half sister.

The Beverly Hills, 90210 franchise comprises the ongoing timeline and shared characters that link the American television series Beverly Hills, 90210 (1990); Melrose Place (1992); Models Inc. (1994); 90210 (2008); Melrose Place (2009); and the 2019 revival BH90210, which takes place outside of the franchise continuity.