Drinking water will help as sometimes hunger pangs subside with drinking fluids. Also try increasing your protein intake each meal as protein will help you feel fuller for longer.
Xeb is right, you shouldnt feel hungry all the time. If you do youre either not eating the right things, or its psychological. Like Xeb said, pad out your meals with things such as broccoli, cauliflower, spinach leaves, and the added bonus is that theyre full of important b vitamins.