GCT
GCT stands for:
- a French self-propelled howitzer, see AMX-30 AuF1
- Greenwich Civil Time , a historical nautical time between 1924 and 1952
- Global Champions Tour , an international tournament series in equestrian sport ( show jumping )
- Free comic day
- Goal Contents Theory , a sub-theory of self-determination theory
- Groupe Combattant Tunisien , Tunisian combat group
- Groupe Chimique Tunisien , Tunisian fertilizer manufacturer
gct stands for:
- Alemán Coloniero (ISO-639-3 code)
