Pollyanna \p(o)-ll-yanna, pollya(n)-na\ as a girl's name. Eleanor Porter's novel "Pollyanna" made the name proverbial for one who sees the bright side of every situation. See also Polly.
Baby names that sound like Pollyanna are Belanna, Polina and Polline. Other similar baby names are Hollyann and Jillyanna.