A cyclist

Rider Press, a United Kingdom-based publishing house

Riders of Chaos, a popular and well known RPG group spread across the internet.

An equestrian (horse rider)

Kamen Rider, a Japanese superhero television show

Black Riders, the ring-wraiths in J.R.R. Tolkien's The Lord of the Rings

Rider University, a United States institution for higher education

Dragon Riders, fictional people who ride dragons

Rider (Fate/Stay Night), a fictional character from the Japanese visual novel and anime series Fate/Stay Night by TYPE-MOON

Dark Riders (comics), a Marvel Comics supervillain team

Ultra (boy band) a British boy band

Rider (Fate/Zero), a fictional character from the Japanese novel Fate/Zero by TYPE-MOON and Nitroplus

Line Rider, the popular internet game

Rider (legislation), an additional provision attached to a bill under the consideration of a legislative assembly

Ryder (NYSE: R) is a Fortune 500 commercial truck rental and leasing and supply chain solutions company. Founded in Miami, Florida in 1933 by James A. Ryder, the Ryder company began its business by hauling concrete. Within a few years, the business...

Rider (theater), a part of a performers contract

Ride may refer to: Riding An amusement ride Ride (film), a 1998 comedy by Millicent Shelton Reduce Impaired Driving Everywhere, or RIDE, a system used by police in Canada for DUI spotchecks In music: A ride cymbal, part of a standard drum kit Ride...

A passenger (usually) of a vehicle (i.e. motorcyclist)

Dispatch rider, a soldier generally riding a motorcycle whose duty is to safely collect and deposit reports and information files from one location to another

Rider (insurance), an amendment to an insurance contract expanding the coverage provided by the contract and (in most cases) increasing the premium

A colloquial term for a homework problem.

Rider (imprint), an imprint of Random House