Firstly, please see rule four:
http://www.behindthename.com/bb/help.php?board=gen#rules
Secondly . . . Haleh could be:
A variation of
Hayley via
Hallie
A variation of
Hala
A variation of
Helah
A variation of
Hella
Click on any of the above hyperlinks for more details.
I think the
Hayley /
Hallie explanation is most likely since those names have been very common in recent decades.
If you provide some information about your country of birth, ethnic background and cultural context we may be able to narrow the options a bit.