Ulvi Indrikson (née Voog; born 18 February 1937) is an Estonian former freestyle swimmer who won a silver medal in the 4×100 m medley relay at the 1958 European Aquatics Championships. She also competed at the 1960 Summer Olympics in the 100 m and 4×100 m freestyle and finished eighth in the 4×100 m relay. During her career she won 11 national (USSR) titles: in the 100 m freestyle (1955–58, 60), 400 m freestyle (1956–60) and 4×100 m freestyle (1958), and set 10 national records.