OSW may refer to:
* FAL OSW, a
variant of the FN FAL folding-stock paratrooper rifle
*
Centre for Eastern Studies
The Centre for Eastern Studies ( pl, Ośrodek Studiów Wschodnich, OSW) is a Warsaw-based think tank that undertakes independent research on the political, economic and social situation in Central and Eastern Europe, Balkans, Caucasus and Central ...
, a Polish think tank
* Official Scrabble Words, a
Scrabble
''Scrabble'' is a word game in which two to four players score points by placing tiles, each bearing a single letter, onto a game board divided into a 15×15 grid of squares. The tiles must form words that, in crossword fashion, read left t ...
lexicon
* The original name of the
Barrett XM109
The Barrett XM109 is a prototype anti materiel sniper rifle, chambered for 25 × 59 mm grenade rounds and developed by Barrett Firearms Manufacturing. It was designed in accordance with a requirement set out in 1994, and is capable of defeating ...
{{disambiguation