SQ1

SQ1 may refer to:


 * Space Quest I, a 1986 video game
 * SQ1, a galactic quadrant in the Milky Way
 * SQ1, a mixtape by Lil Wayne
 * SQ1, a Singapore Airlines flight that flies from Hong Kong to Singapore in the morning, and from San Francisco at night.
 * Microsoft SQ1, a system on a chip