Will my past abusive relationship affect my future relationships?

First congratulations on getting out of the abusive relationship. Good thin to ignore him. Good you have a positive outlook, things will get better. The answer to your question is really yes and no. Yes your abusive past will effect your future relationships as it will cause you to be more selective and be more cautious which are good things but even when being selective you have to be careful because you body my find itself in a situation that is honestly not with your ex but will respond in the same way. His name will pop up in your head when you don't want it too, certain feelings will cause it to happen also. But just because of the past and it's bad results you also do not need to let it ruin you future. It is a process. You do not need to tell a date you were in an abusive relationship, one because it may scare them off. And if it is nothing serious it doesn't matter. Do not be embarred, he was the abuser. If you need to talk things out do so with a good friend or find a professional who will just let you talk and will guide you to recovery.