板垣あずさ is a Japanese name.

板垣 (Itagaki) is a surname, while あずさ (Azusa) is a given name written in hiragana.

Some additional information about this name:

1. The surname 板垣 (Itagaki) is relatively uncommon but has historical significance. It's associated with the Tosa Domain and the famous Japanese politician Ryoma Sakamoto's mentor.

2. The given name あずさ (Azusa) is often used for girls' names. It can be associated with the Azusa flower or have other meanings depending on the kanji used.

3. In romaji (a way of writing Japanese using the Latin alphabet), this name could be written as "Itagaki Azusa."

4. Without more context, it's difficult to provide specific information about who this person might be, as there could be many individuals with this name. It could refer to an athlete, artist, character from a story, or any other person.

If you're looking for information about a specific person with this name, you might need to provide more context or details about where you encountered this name.