First Impressions is a compilation album by Australian singer Olivia Newton-John, released in 1974 on the EMI label.

The collection presents the main hits of the singer, recorded from 1971 to 1974 – songs from the first three studio albums and the compilation If You Love Me, Let Me Know.

In Australia and New Zealand, the album was released by Interfusion Records under the title Great Hits!

First Impressions and with a modified tracklist (songs from the album Long Live Love were added).

^ Shipments figures based on certification alone.