A new and distinct cultivar of Spathiphyllum plant named ‘;Spavewiblo’;, characterized by its relatively compact, upright, outwardly arching and uniform plant habit; freely clumping growth habit; bushy and dense plants; glossy dark green-colored leaves; freely flowering habit; white-colored spathes that are positioned slightly to clearly above the foliar plane on strong and erect scapes; and good inflorescence longevity.