Alannah is a feminine given name, a variant form of Alanna. Notable people with the name include:
Alannah Beirne (born 1993), Irish fashion model and reality TV personality Alannah Currie (born 1957), New Zealand musician from the Thompson Twins Alannah Halay (born 1990), British composer and author Alannah Hill (born 1962), Australian fashion designer Alannah MacTiernan (born 1953), Australian politician Alannah Mathews (born 1999), Australian rhythmic gymnast Alannah Mikac (1989–1996), Australian girl whose death in the Port Arthur massacre inspired the founding of The Alannah and Madeline Foundation Alannah Myles (born 1958), Canadian singer-songwriter Alannah Weston (born 1972), Irish-Canadian businesswoman Alannah Yip (born 1993), Canadian sports climber
See also Alanah