淋球菌（学名：Neisseria gonorrhoeae，奈瑟氏球菌）又称淋病双球菌（「淋」，拼音：lìn）、淋病奈瑟菌，是导致淋病的病原菌，和脑膜炎奈瑟菌同属于奈瑟菌属，是革兰氏阴性菌一个属种。球菌是需要复杂营养的，在实验室培养要加入营养补充剂。在巧克力细菌培养基（或热的血培养基）加入二氧化碳可加速其生长。这些球菌在细胞内的典型随意排列是成一对的（ diplococci ） 。

Neisseria gonorrhoeae, also known as gonococci (plural), or gonococcus (singular), is a species of Gram-negative coffee bean-shaped diplococci bacteria responsible for the sexually transmitted infection gonorrhea.

N. gonorrhoeae was first described by Albert Neisser in 1879.