Kay-Anlog is a component barangay of the city in Calamba, Laguna, Philippines, situated in the southern part of the city, adjacent to the barangays of Milagrosa, Burol, Bubuyan, and Ulango.

Kay-Anlog is located at the southern edge of the city of Calamba, being one of the "upland barangays".

All of those districts are in Calamba, excluding barangay Laurel that is in Tanauan, Batangas.

These are: Kay-Anlog has 6 subdivisions these are ; The namesake of the barangay is from Anlog, a man who is said to be the original resident of Buwisan and a former estate steward.

Before 2010, Kay-Anlog was one of the barangays with the least population due to its remoteness especially from Calamba Poblacion.

Other religions present in Kay-Anlog are Iglesia ni Cristo (3.97%), Jesus is Lord Church (0.57%), Church of Jesus Christ of Latter-day Saints (0.27%), Evangelicals (0.26%), Seventh Day Adventist (0.22%), Jesus is Alive Community Incorporated (0.14%), Islam (0.11%), Philippine Independent Church (0.10%), Jehovah's Witnesses (0.09%), and other Mainline Protestants.

Elections for the reformed Sangguniang Kabataan (SK; youth councils) will also be held at the same time.