Can cloudy urine without smell or unusual color be a sign of ketosis?

Yes: But are you diabetic and are you trying to diet. If no diabetes and not dieting. Just increase you water intake and that should be corrected.

Cloudy urine usually: Means alkaine urine with some sediment, and is normal, especially if there is no smell. It can sometimes signify a urinary infection, however urinary infections are usually associated with additional symptoms such as burning on urination, or need to urinate frequently.