FQ, Fq or fq may refer to:

• Fenqing, a Chinese term for "angry youth"
• Financial Quotient, a measure of financial ability
• Fluoroquinolone, an antibiotic
• Football Queensland, an Australian sports organisation
• Baker Island (FIPS PUB 10-4 territory code FQ), an unincorporated and unorganized territory of the U.S.
• Thomas Cook Airlines Belgium (former IATA code FQ), a Belgian leisure airline
• (3-(2-furoyl)-quinoline-2 carboxaldehyde), a fluorogenic amine labeling dye