Chinese Optical Society

{{Short description|Chinese optics and photonics professional association}}

{{Infobox organization

| logo =

| type = Professional organization

| key_people = Gong Qihuang

| footnotes =

| name = Chinese Optical Society

| abbreviation= COS

| founded_date = December 20, 1979

| founder = Wang Daheng
Gong Zutong
Qian Linzhao

| location = Haidian District, Beijing, China

| origins =

| area_served = China

| focus = Optics and photonics

| revenue =

| endowment =

| num_volunteers =

| num_employees =

| num_members = 15,000

| parent_organization = China Association for Science and Technology

| owner =

| homepage = {{URL|http://www.cncos.org/}}

| tax_exempt =

| dissolved =

}}

Chinese Optical Society ({{zh|s=中国光学学会|t=中國光學學會|p=Zhōngguó Guāngxué Xuéhuì}}; abbreviated COS) is a professional association of individuals with an interest in optics and photonics. It sponsored the Chinese Optics Letters, a monthly peer-reviewed scientific journal focusing on optics. As of 2019, the society has 21 specialized committees and 7 working committees with more than 15,000 individual members.