J57 may refer to:
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J57 (rapper)
J57 is an American rapper, singer, songwriter, record producer, record label owner, and music video director that infuses hip hop with indie rock, pop, folk & Americana music. He is a member of the Brown Bag AllStars, a group of emcees he hel ...
(born 1983), American rapper
* , a minesweeper of the Royal Navy
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Pratt & Whitney J57
The Pratt & Whitney J57 (company designation: JT3C) is an axial-flow turbojet engine developed by Pratt & Whitney in the early 1950s. The J57 (first run January 1950) was the first 10,000 lbf (45 kN) thrust class engine in the United State ...
, a turbojet engine
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Triaugmented hexagonal prism
In geometry, the triaugmented hexagonal prism is one of the Johnson solids (). As the name suggests, it can be constructed by triply augmenting a hexagonal prism by attaching square pyramids () to three of its nonadjacent equatorial faces.
S ...
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