De 57e Primetime Emmy Awards, waarbij prijzen werden uitgereikt in verschillende categorieën voor de beste Amerikaanse televisieprogramma's die in primetime werden uitgezonden tijdens het televisieseizoen 2004-2005, vond plaats op 18 september 2005 in het Shrine Auditorium in Los Angeles, Californië. De ceremonie werd gepresenteerd door Ellen DeGeneres.
(De winnaars staan bovenaan in vet lettertype.)
(Outstanding Drama Series)
(Outstanding Comedy Series)
(Outstanding Mini Series)
(Outstanding Made for Television Movie)
(Outstanding Variety, Music or Comedy Series)
(Outstanding Reality-Competition Program)
(Outstanding Lead Actor in a Drama Series)
(Outstanding Lead Actor in a Comedy Series)
(Outstanding Lead Actor in a Miniseries or Movie)
(Outstanding Lead Actress in a Drama Series)
(Outstanding Lead Actress in a Comedy Series)
(Outstanding Lead Actress in a Miniseries or a Movie)
(Outstanding Supporting Actor in a Drama Series)
(Outstanding Supporting Actor in a Comedy Series)
(Outstanding Supporting Actor in a Miniseries or Movie)
(Outstanding Supporting Actress in a Drama Series)
(Outstanding Supporting Actress in a Comedy Series)
(Outstanding Supporting Actress in a Miniseries or Movie)
(Outstanding Guest Actor in a Drama Series)
(Outstanding Guest Actor in a Comedy Series)
(Outstanding Guest Actress in a Drama Series)
(Outstanding Guest Actress in a Comedy Series)