Socket 615 is a CPU socket used by early Intel Pentium II and Celeron mobile processors. Another common name for this socket is μPGA1, although the socket is often found in both pin grid array (PGA) and ball grid array (BGA) configurations.

Socket 615 is a CPU socket designed for use with 615 pin PGA processors with a 1.27mm pitch. The socket is primarily designed for low power laptops and notebooks.