Not sure how accurate this info is but one person with this name says it has many meanings try this linkhttp://www.sarbadhikari.com/ayanEdit
cant get the link to work for me so heres what he says and I cant garantee that any of the meanings are correct though they may give you somewhere to start
Thanks to someone with better eyesight than me the link now works :)So you can see this persons web site for yourself
The path through which the sun travels in the daytime is called 'Ayan'
In Tamil: 'Ayan' is the name of Brahma
, the Creator.
'Ayan' also means Shepherd
'Ayan' is also a form of African drumming.
'Ayan' in Turkish, means "obviously" or "clearly"
'Ayan' [Urdu/Persian.] with the last 'n' not pronounced fully... but half i.e. nasal tone sound..)... means something that is open and clear /something like : "something vividly clear on the face of it" or prima-facie.
In Somalia 'Ayan' means "the lucky one". However, in Somali, 'Ayan' is the female form of the name, and 'Ayanle' is the male form.
AYAN: Somali female name meaning "bright."
In Sanskrit this also means "Speed" in English or "Gati" in Hindi.
Sirr & Rooh form “Rooh-e-Insani (Human soul) or Ayan. This part of the soul is inscribed with commands characterizing the life. It is also termed as Ayan. When a human being gets acquainted with it, he can witness the record & scheme of “all that exists”, written on loh-e-mahfooz.
A childs smile is worth more to me than Gold