Kocayer

{{Infobox Turkey place

| type = neighbourhood

| province = Mersin

| district = Mezitli

| name = Kocayer

| population_total = 614

| population_as_of = 2022

| coordinates = {{coord|36|53|N|34|19|E|region:TR|display=inline,title}}

|elevation_m = 925

|area_code = 0324

}}

Kocayer is a neighbourhood in the municipality and district of Mezitli, Mersin Province, Turkey.[https://www.e-icisleri.gov.tr/Anasayfa/MulkiIdariBolumleri.aspx Mahalle] {{Webarchive|url=https://web.archive.org/web/20230306001414/https://www.e-icisleri.gov.tr/Anasayfa/MulkiIdariBolumleri.aspx |date=2023-03-06 }}, Turkey Civil Administration Departments Inventory. Retrieved 12 July 2023. Its population is 614 (2022).{{Cite web |title=Address-based population registration system (ADNKS) results dated 31 December 2022, Favorite Reports|url=https://biruni.tuik.gov.tr/medas/?kn=95&locale=en |access-date=12 July 2023|publisher=TÜİK|language=en|format=XLS}} It is situated in the Toros Mountains. {{convert|52|km}} away from Mersin.