B1, B.I, B.1 or B-1 may refer to:
Biology and chemistry
- Bradykinin receptor B1, a human protein
- Cinnamtannin B1, a condensed tannin found in cinnamon
- Combretastatin B-1, a stilbenoid found in Combretum sp.
- Fumonisin B1, a toxins produced by several species of Fusarium molds
- B-1 cell, a lymphocyte type
- Arecatannin B1, a tannin found in the betel nut
- Proanthocyanidin B1, a B type proanthocyanidin
- Vitamin B1, also known as thiamine
Media
- B1 TV, a Romanian TV channel
- A class of FM radio broadcasting in North America
Roads
Main article: List of B1 roadsVehicles
See also: List of B1 aircraft- Rockwell B-1 Lancer, a United States Air Force strategic bomber
- B1 (New York City bus) serving Brooklyn
- B1 type submarine, a World War II Imperial Japanese Navy submarine class
- Alsace-Lorraine B 1, an Alsace-Lorraine P 1 class steam locomotive
- Marussia B1, a high-performance luxury sports coupé built by Russian automaker Marussia Motors
- GS&WR Class B1, a Great Southern and Western Railway Irish steam locomotive
- HMS B1, a B-class submarine of the Royal Navy
- LB&SCR B1 class, an 1882 British express passenger steam locomotive
- GCR Class 8C, classified B1 during LNER ownership, reclassified B18 in 1943
- LNER Thompson Class B1, a British steam locomotive class
- NER Class B1, a class of British steam locomotives
- NCC Class B1, a Northern Counties Committee Irish steam locomotive
- Pennsylvania Railroad class B1, an American electric locomotive
- Saturn B-1, a 1959 four-stage rocket
- USS B-1, a United States Navy B-class submarine
- Brasilsat B1, a 1994 communication satellite
- Char B1, a French heavy tank
- B1 Centauro, an Italian wheeled tank destroyer
- Boom XB-1 Baby Boom, an American technology demonstrator aircraft
- Finnish Steam Locomotive Class B1
Other uses
- B1 (file format)
- B1 (classification), a medical-based Paralympic classification for blind sport
- B-1/B-2 Visa, issued by the United States to a foreign citizen seeking to enter the United States of America for business purposes
- A subclass of B-class stars
- B1, an international standard paper size (707 × 1000 mm), defined in ISO 216
- A level in the Common European Framework of Reference for Languages
- A security class in the TCSEC
- the code for permission to use specific land or premises for offices, light industry in town and country planning in the United Kingdom
- A sentient banana in the children's TV series Bananas in Pyjamas
- B1, a model of battle droid in the Star Wars franchise
- B1, Sydney Australia B-Line bus route
- Chopin's Ballade No. 1
- The darkest sky on the Bortle scale
See also
Search for "B1" on Misplaced Pages.- All pages with titles beginning with B1
- All pages with titles containing B1
- B01 (disambiguation)
- BI (disambiguation)
- 1B (disambiguation)
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