Sexual partners are people who engage in sexual activity together. The sexual partners can be of any number, sex, gender, or sexual orientation.

Is risk of Kaposi's sarcoma in AIDS patients in Britain increased if sexual partners came from United States or Africa?
Risk of psychiatric disorders among individuals reporting same-sex sexual partners in the National Comorbidity Survey.
Handbook on risk of AIDS: Injection drug users and sexual partners.
Effect of expedited treatment of sex partners on recurrent or persistent gonorrhea or chlamydial infection.
High prevalence of papillomavirus-associated penile intraepithelial neoplasia in sexual partners of women with cervical intraepithel...
Men who have met sex partners via the Internet: prevalence, predictors, and implications for HIV prevention.
Immunodeficiency in female sexual partners of men with the acquired immunodeficiency syndrome.
Sex partner concurrency: measurement, prevalence, and correlates among urban 18-39-year-olds
Multiple sexual partners among U.S. adolescents and young adults.
Consistent, inconsistent, and non-disclosure to casual sexual partners among HIV-seropositive gay and bisexual men.