Building the Perfect Beast is the second solo studio album by American rock singer Don Henley, released on November 19, 1984, by Geffen Records.

For the album, Henley collaborated primarily with guitarist Danny Kortchmar, along with members of the then line-up of Tom Petty and the Heartbreakers, who contributed to the writing of the songs: guitarist Mike Campbell, keyboardist Benmont Tench and drummer Stan Lynch, the last of whom would later collaborate with Henley in composing the Eagles' song "Learn to Be Still", which was released on their live album Hell Freezes Over (1994).

Reviewing the album in Rolling Stone, Kurt Loder wrote that "Building the Perfect Beast is a meticulously crafted and programmed set of songs about love and politics.

The album's longest and most ambitious piece, "Sunset Grill," describes in disturbingly vivid images a character's sense of entrapment in an evil, convulsive metropolis: "You see a lot more meanness in the city/It's the kind that eats you up inside/Hard to come away with anything that feels like dignity.

[6] Reviewing retrospectively for AllMusic, critic Vik Iyengar has written of the album, "After experimenting with synthesizers and a pop sound on his solo debut, Don Henley hits the mark on his sophomore release, Building the Perfect Beast.