QRS may refer to:

• QRS complex
• QRS concordance
• QRS Music Technologies, recording and musical instrument manufacturer
• QR Sagittae, star also known as WR 124
• QRS Sunderland, former name of Newcastle Eagles basketball team
• Radio Q code for "slow down" (in sending Morse code)

See also[edit]

• All pages with titles beginning with QRS
• All pages with titles containing QRS
• QR (disambiguation) for the singular of QRs