The Doctor Who star played Di Alec Hardy in the hit ITV crime drama and will play a similar role in Fox's upcoming adaptation, TV Guide reports.
Tennant will again play the lead male detective in the investigation into a young boy's death, though this time his character will be American.
The 42-year-old's last brush with Us television was in the NBC legal drama pilot Rex Is Not Your Lawyer, which was not picked up to series.
The Us Broadchurch will start shooting in January 2014 and will air on Fox either later that year or in early 2015.
Chris Chibnall - creator of the original show and executive producer on the remake - has claimed that Fox's take could be "as good [as] if not better" than the UK original.
It is currently unclear how Tennant's casting on Fox's Broadchurch might