X-55 is the Lockheed Martin X-55 aircraft.
X55, X.55, X-55, or variation may also refer to:
Vehicles Aviation Kh-55 (; also called "X-55"), Soviet air-launched cruise missile X-55 (UAV), an Armenian armed forces aerial drone
Automotive Senova X55, former name of the Beijing X5 compact crossover SUV MVM X55, a variant of the compact crossover SUV Chery Tiggo 5x Beijing Mofang, a Chinese compact crossover SUV sold in overseas markets as BAIC X55
Other SJ X55 Regina, a Swedish electric multiple unit train model X55, an X-Yachts sailing yacht
Other uses Mid-Florida Airport (FAA id X55), Eustis, Florida, US; see List of airports in Florida Snapdragon X55 chipset; see List of Qualcomm Snapdragon modems Eika X55 synthesizer, a clonewheel organ X55, a copper-zinc brazing alloy
See also
U (Unicode entity U+0055, U)
X5 (disambiguation) 55 (disambiguation) X (disambiguation)