ABBA - WATERLOO
- Format: (LP) Vinyl record 12"
- Executor: ABBA
- Title: WATERLOO
- Catalog number: 2489085
- A country: Holland
- Label: Polydor
- Year of issue: 1974
- Type of publication: ORIGINAL PRESS 1976
- Condition (record/cover): NMint/NMint
- Style: Poprock
Waterloo is the second studio album by Swedish pop band ABBA. It was originally released in Sweden on March 4, 1974 on the Polar Music label. The album's title song won the ABBA Song Contest at the Eurovision Song Contest 1974 and became a worldwide hit, launching the band's career.