Lomonosovfonna is an ice cap at Spitsbergen, Svalbard.
The glacier is located northeast of the fjord Billefjorden.
It covers an area of about 600 square kilometers, and divides Ny-Friesland from Olav V Land.
It is named after Russian scientist Mikhail Lomonosov.
This article about a glacier in Spitsbergen is a stub.