Lillyan \l(i)-ll-yan\ as a girl's name is a variant of Lillian (Latin), and the meaning of Lillyan is "lily".

The baby name Lillyan sounds like Lilyan, Lilyann, Lillyanne, Lilliann, Lilliane, Lilliana and Lilian. Other similar baby names are Jillyan, Gillyanne, Hollyann, Jillyanne, Jillyanna, Kellyann, Lalya, Lillianne, Lillianna, Liliane, Liliana, Lilyanne and Sallyann.