What does the name Seana mean? The meaning of the name Seana is God Is Gracious. The origin of the name Seana is Celtic/Gaelic. This is the culture in which the name originated, or in the case of a word, the language.
People who like the name Seana also like: Abigail
, Kiara Gabriel
Name Notes: Female form of the name Sean. Usually pronoounced "SHAWN-a"