Yes lack of protein in your body or lack of protein in your diet can lead to fatigue which makes you tired.
When you have a lack of protein in your body it can lead to anemia which is what makes you tired and fatigued.
Also a lack of protein can also cause you to lose muscle mass, which in turn cuts your strength, makes it harder to keep your balance, and slows your metabolism down.
So if you're feeling tired and fatigued constantly you should have a blood test done to see if you have anemia which can be caused by a lack of protein.
Try increasing your protein intake and also eat a healthy diet of fruits and vegetables to help reduce the fatigue.
You should always see a doctor to see what is actually going on but taking some protein powder or drinking some protein shakes can help some.