HSX

HSX may refer to:
 * Helically Symmetric Experiment
 * Hengshan West railway station, China Railway pinyin code HSX
 * Ho Chi Minh City Stock Exchange
 * Hollywood Stock Exchange, an online game
 * Hoshiarpur railway station, in Punjab, India
 * HSX Films, now Ignite Entertainment
 * HSX Handbrake Shifter, Brazilian manufacturer of racing simulation devices
 * HSX: Hypersonic Xtreme, a video game
 * Mitsubishi HSX, a concept car