1X

1X or 1-X may refer to:


 * 1X Band, a musical group from Slovenia
 * 1. X. 1905, a piano composition by Leoš Janáček
 * Saab 9-1X
 * Alberta Highway 1X; see Alberta Highway 1A
 * NY 1X; see Hutchinson River Parkway
 * SSH 1X (WA); see List of former state highways in Washington
 * CDMA2000 1x; see CDMA2000
 * 1/x; see Multiplicative inverse
 * 1x-EVDO; see Evolution-Data Optimized
 * Ares 1-X; see Ares I-X
 * Will 1x, early stage name for will.i.am
 * 1x CD-ROM; see CD-ROM
 * EH-1X; see Bell UH-1 Iroquois variants
 * GSC-1X; see GSC bus
 * Xbox One X
 * HTC One X smartphone
 * One-X, 2006 album by Three Days Grace
 * Single scull in rowing