Encyclopedias, Almanacs, Transcripts, and Maps
- Big Rapids
- Big South Fork National River and Recreation Area
- Big Stone Lake
- Big Thicket National Preserve
- big tree
- big-bang theory
- Bighorn Mountains
- Bignon, Louis Pierre Édouard
- bignonia
- Bigod, Hugh, 1st earl of Norfolk
- Bigordi, Domenico
- Bigot, François
- Bigtha
- Bigthan
- Bigvai
- Biisk
- Bijns, Anna
- Bika, El
- Bila Tserkva
- Bilac, Olavo