Bieler Tagblatt is a daily newspaper published in Biel/Bienne, Switzerland by Gassmann AG. With a distribution of 28,745, its estimated readership is 67,000 (by WEMF 2006).
The German language newspaper was established 1850 under the name Seeländer Bote.
Gassmann AG publishes also the French-language Journal du Jura.