Pope Sylvester Pope Sylvester, or Silvester may refer to: Pope Sylvester I (314–335) Pope Sylvester II (999–1003) Pope Sylvester III (1045) Antipope Sylvester IV (1105–1111) Topics referred to by the same term This disambiguation page lists articles associated with the title Pope Sylvester.If an internal link led you here, you may wish to change the link to point directly to the intended article.