# B21

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> Source: https://en.wikipedia.org/wiki/B21
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**B21** may refer to:

## Places

- [Kepong–Selayang Highway](/source/Kepong%E2%80%93Selayang_Highway) (Selangor state route B21), Malaysia
- [Autovía B-21](/source/Autov%C3%ADa_B-21), Spain; a motorway
- Harumi Chūō (station code B21), [Tokyo BRT](/source/Tokyo_BRT), Tokyo, Japan
- [Mikamo Station](/source/Mikamo_Station) (station code B21), Higashimiyoshi, Miyoshi, Tokushima, Japan; a train station
- [Shin-Hōsono Station](/source/Shin-H%C5%8Dsono_Station) (station code B21), Seika, Kyoto, Japan; a train station
- [Sugarloaf Regional Airport](/source/Sugarloaf_Regional_Airport) (FAA airport code B21), Franklin County, Maine, USA

## Transportation and vehicular

- [B21 (New York City bus)](/source/B21_(New_York_City_bus)), a bus route serving Brooklyn, New York City, New York State, USA
- [Unterseeboot B-21](/source/Unterseeboot_B-21), a WW1 German submarine

### Automotive

- [BSA B21](/source/BSA_B21) (1937–1939), a British motorcycle made by Birmingham Small Arms Company, Birmingham, England
- [Leyland B21](/source/Leyland_B21) (1979–1985), a bus chassis manufactured by Leyland
- [Volvo Redblock Engine](/source/Volvo_Redblock_Engine) (B21), an automotive engine
- [Chevron B21](/source/Chevron_B21), a racing prototype Group 5 sports car built by Chevron Cars Ltd

### Aviation

- [Northrop Grumman B-21 Raider](/source/Northrop_Grumman_B-21_Raider), a 21st-century American stealth bomber
- [North American XB-21](/source/North_American_XB-21) ("B-21"), an experimental bomber aircraft developed in the late 1930s
- [B.21/35](/source/B.21/35), British interwar twin-engined bomber

## Arts, entertainment, media

- [B. 21](/source/B._21) (Czech: *Král a uhlíř*), a Czech comic opera by Dvorak
- [B21 (band)](/source/B21_(band)), a British bhangra group

## Other uses

- [B-21 (machine)](/source/B-21_(machine)), a cypher machine invented by [Boris Hagelin](/source/Boris_Hagelin)
- Burroughs B21, a variant of the [Burroughs B20](/source/Burroughs_B20) microcomputer
- [HLA-B21](/source/HLA-B21), an HLA - B serotype
- [Boron-21](/source/Boron-21) (B-21 or 21B), an isotope of boron
- B21, a nuclear reactor at [Dungeness nuclear power stations](/source/Dungeness_nuclear_power_stations), Dungeness headland, southern Kent, England, UK

## See also

- *[Must B 21](/source/Must_B_21)*, a 2003 album by American singer will.i.am
- [21B (disambiguation)](/source/21B_(disambiguation))

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Adapted from the Wikipedia article [B21](https://en.wikipedia.org/wiki/B21) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/B21?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.