Yes, you can freeze orange juice. It can be frozen for up to 60 days if it is not opened. If you have opened it, put it in an airtight and well sealed container that will not let in any air. Frozen orange juice is a great thing to keep on hand.
Sure you can freeze orange juice. When you are ready to defrost it you will see ice crystals which is all fine. The taste and texture will still be fine also. Some orange juices that are made from concentrate are frozen all the time.