Arotinolol (INN, marketed under the tradename Almarl) is a medication in the class of mixed alpha/beta blockers. It also acts as a ò<sub>3</sub> receptor agonist. A 1979 publication suggests arotinolol as having first been described in the scientific literature by Sumitomo Chemical as "ò-adrenergic blocking, antiarrhythmic compound S-596".
It is used in the treatment of high blood pressure and essential tremor. Recommended dosage is 10 to 30 mg per day.