CLR may refer to:
Clarin-1 is a protein that in humans is encoded by the CLRN1 gene.
In molecular biology, CLRN1 antisense RNA 1 (CLRN1-AS1) (previously known as clarin 1 opposite strand, CLRN1OS or USH critical region pseudogene, UCRP) is a human gene encoding a long non-coding RNA.
CLR Profiler is a memory profiler for the .NET Framework from Microsoft. It allows the user to investigate the contents of the managed heap, the behavior of the garbage collector, and the allocation patterns (including call-graph analysis) of the program being profiled.
Cavan and Leitrim Railway 1 to 8 were 4-4-0T locomotives built by Robert Stephenson and Company, and were the first locomotives on the C&LR.
Crossrail is a 118-kilometre (73-mile) railway line under development in London and the home counties of Berkshire, Buckinghamshire and Essex.
An RLC circuit is an electrical circuit consisting of a resistor (R), an inductor (L), and a capacitor (C), connected in series or in parallel.
The Congress of Local and Regional Authorities is the pan-European political assembly representing local and regional authorities from the forty-seven member states of the Council of Europe.
Cyril Lionel Robert James (4 January 1901 – 31 May 1989), who sometimes wrote under the pen-name J. R.
The London Metropolitan Archives (LMA) is the principal local government archive repository for the Greater London area, including the City of London: it is the largest county record office in the United Kingdom.