A: Yes, you can use two last names without a hyphen. This is a common practice for married women. For example, if your maiden name were Katy Marie Norton and you married me, it would be customary for you to go by Katy Norton Frick after our marriage. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.