QRT

The abbreviation "QRT" may stand for:
 * Quick response team, multiple uses
 * The Quarto Group, a publisher of illustrated books (LSE ticker: QRT)


 * QRT, in amateur radio, the Q code to shut down a station
 * Quantitative PCR or qrt-PCR, a laboratory DNA detection technique
 * Qube Research & Technologies, London-based quantitative investment management firm
 * The "Quote Retweet" action on the social media network Twitter/X