- KRI Karel Satsuitubun (356)
- Kapal perusak kelas Arleigh Burke
- Kinetika Michaelis–Menten
- Asetil-KoA
- Enzim
- DNA polimerase
- Kofaktor (biokimia)
- Aspartat transaminase
- Nikotinamida adenina dinukleotida
- Pektinase
- SQR
- AN/SQR-17
- QR code
- SQR Store
- SQR (disambiguation)
- Succinate dehydrogenase
- Sulfide:quinone reductase
- Siculo-Arabic
- Sierpiński curve
- SQR Development