TSSM
TSSM stands for:
- Titan Saturn System Mission, see Tandem (space probe)
- Two-Spotted Spider Mite, German common spider mite
- Type Three Secretion Machinery, also Type three secretion system, German Type III secretion system
- Stuttgart-Sommerrain stop (operating point code)
- TSSM for (Training) (Space) (Space Support) (Guided Missile), classification code of the US armed forces for z. B. TSSM-N-9a Regulus II, see designation system for guided weapons, missiles, probes, boosters and satellites of the US armed forces