The year 1989 in archaeology involved some significant events.
- January - Skeleton of Buhl Woman (c. 10,675 BP) found in Idaho.
- May - Wreck of PS Lady Elgin (sunk in collision 1860) discovered off Highwood, Illinois, by Harry Zych.
- June 8 - Wreck of German battleship Bismarck (scuttled in 1941) discovered in North Atlantic by Robert Ballard.
- Wreck of German Type UC II submarine SM UC-70 (depth-charged in 1918) discovered off the North Yorkshire coast of England.
- Yoshinogari Ruins discovered at Kanzaki, Kyūshū, Japan; goods and building are mainly Yayoi period.
- Remains of The Rose and Globe Theatres discovered in London.
- Luxor statue cache in courtyard of Amenhotep III's colonnade of the Temple of Luxor, including a 6 ft (1.8 m) pink quartzite statue of the king on a sled wearing the Double Crown.
- Laguna Copperplate Inscription found in the Philippines.
- Oldest known wing bone of the great auk found at Eartham Pit, Boxgrove in England.