St Katherine's Church, Lincoln also known as "Southside" and "St Katherines Cathedral Church" is a Grade II-listed church in Lincoln, Lincolnshire, England.

It is a former Methodist church in the Boultham and St Catherine's areas of the city.

The church was declared redundant in 1982 and was then reused for a DIY warehouse before being left vacated.

Now it is in use for a community venue and commercial centre as "Southside".

This article about a church or other Christian place of worship in England is a stub.