Mate may refer to:

Science

* Mate, one of a pair of animals involved in: ** Mate choice, intersexual selection ** Mating * Multi-antimicrobial extrusion protein, or MATE, an efflux transporter family of proteins

Person or title

* Friendship ** Mateship * Mate (naval officer) ** Chief mate, also known as first mate ** Second mate ** Third mate * Third (curling), also known as a vice, vice-skip, or mate, the team member who delivers the second-to-last pair of a team's stones in an end

People

Given names

* Mate (given name) * Máté (given name)

Surname

*Máté (surname)

Beverages

* Mate (drink) (/ˈmɑːte/), made from the yerba mate plant ** Mate, a traditional South American container carved from a dried calabash#South America, calabash * Mate de coca, or coca tea

Technology

* MATE (software) (/ˈmɑːteɪ/) stylised in capitals, a fork of GNOME 2 (desktop shell for desktop hardware) * Mate or mating condition, a synonym for Constraint (computer-aided design), constraints used in computer-aided design (CAD) * Huawei Mate series, a smartphone series by the Chinese company Huawei

Other uses

* Mate (horse), an American Thoroughbred racehorse * Mate (2019 film), a South Korean film * Mate (2021 film), an Australian short film * Mahte or Māte, epithet for goddesses in Latvian mythology * "Mate", shortened from checkmate, a winning/losing situation in chess

Acronyms

* Marine Academy of Technology and Environmental Science, or MATES, a high school in Manahawkin, New Jersey