Küçük means "small" in Turkish and may refer to:
People
Epithet Küçük Ahmed Pasha (died 1636), Ottoman military commander Küçük Ali (died 1804), also known as Ali Đevrlić, Ottoman janissary and civil servant Kuchuk Hanem (fl. 1850–1870), Ghawazi beauty and dancer Küçük Hüseyin Pasha (1757–1803), Ottoman politicianand admiral Küçük İskender (1964–2019), Turkish writer Küçük Mehmet Sait Pasha (1830–1914), Ottoman politician Küçük Mustafa (died 1422), Ottoman prince
Surname Fazıl Küçük (1906–1984), Turkish Cypriot politician İrsen Küçük (1940–2019), Turkish Cypriot politician Mustafa Küçük, Turkish businessman Raşit Küçük (1947–2022), Turkish Islamist Veli Küçük (born 1944), Turkish general Yalçın Küçük (1938–2026), Turkish writer, philosopher, economist, and historian
Places Küçük Mecidiye Mosque, Ottoman-era mosque in the Beşiktaş district of Istanbul, Turkey Küçüklü (disambiguation), various places in Turkey Küçükmenderes River, in Turkey Küçük Tavşan Adası, pair of adjacent Turkish islands located in the Aegean Sea north of Gölköy, in Bodrum Küçük Tiyatro, theatre in Ankara, Turkey
See also , since this is a common prefix Büyük (disambiguation), antonym, "big"