Vellamo (also known as Wellamo) is goddess of water, lakes and seas in finish mythology. She is told to be beautiful and tall lady. Respected by fishermen who prayed her for good fishing luck. Vellamo can also control the winds to help sailors and control the storms and waves. Vellamo has magical cows that live on underwater fields. Sometimes during the morning mist she brings her cattle above the surface to eat water hay. Vellamo wears blue dress that is made from sea foam.
Her name comes from finish word "velloa" that means movement of water and waves. Vellamo's spouse is finish sea god Ahti.