可不可以用Angel做英文名

Yes!
The name Angel has the following meaning:

A messenger of God. A sweet name for a girl, but might draw confusion if used on boys. This name can be given to both baby boys and girls. It is a unisex
name.
Look at these:
http://www.quickbabynames.com/meaning-of-Angel.html
http://hk.search.yahoo.com/search?p=babyname+Angel&fr=FP-tab-web-t&ei=UTF-8&meta=rst%3Dhk
http://www.thinkbabynames.com/meaning/1/Angel
http://www.yourbabyresource.com/BabyNameMeanings/BabyNameMeaningAngel.htm

其實沒所為，你鐘意就得！

唔可以架!:) 都唔好聽

It's up to you.

In Hong Kong, there are many people creating their own unique names
like " Yeliz ".
So do you.

Hope that you will find it useful.