Gold Line

Gold Line, Gold line, or Goldline may refer to:

Rail

 * Gold Line (MARTA), a rapid transit line in Atlanta, Georgia
 * Gold Line (Doha Metro), a rapid transit line of the Doha Metro
 * Gold Line (Sacramento RT), a light rail line in Sacramento, California
 * CityLynx Gold Line, a streetcar line in Charlotte, North Carolina
 * Gold Line (Bangkok), an automated people mover in Bangkok, Thailand
 * Gimpo Goldline, a light metro line of the Seoul Metropolitan Subway
 * Line 17 (São Paulo Metro), also referred to as the Ouro (Gold) Line, future São Paulo monorail line
 * G Line (RTD), a commuter rail line in Denver, Colorado known as the Gold Line during construction
 * E Line (Los Angeles Metro), color-coded "gold", a light rail line in Los Angeles County, California
 * L Line (Los Angeles Metro), known as the Gold Line from its inception in 2003 until 2020, a former light rail line in Los Angeles County, California, later merged into the A Line in 2023.
 * Tokyo Metro Yūrakuchō Line, color-coded "gold", a rapid transit line in Tokyo, Japan
 * Line 13 (Guangzhou Metro), color-coded "gold", a rapid transit line in Guangzhou, China
 * Line 12 (Madrid Metro), color-coded "gold", a rapid transit line southwest of Madrid, Spain
 * Mexico City Metro Line 3, color-coded "gold", a rapid transit line in Mexico City, Mexico
 * Imazatosuji Line, color-coded "orange-gold", a rapid transit line in Osaka, Japan
 * Paris Métro Line 10, color-coded "gold", a rapid transit line in Paris, France
 * Seoul Subway Line 9, color-coded "gold", a rapid transit line in Seoul, South Korea

Bus

 * Travel Washington's Gold Line, an intercity bus line in Washington state
 * Goldline, a brand of Ulsterbus, Northern Ireland
 * Goldline Travel, a brand of Reading Buses, England
 * Stagecoach Goldline, a brand of the Stagecoach Group, United Kingdom
 * Gold Line (Washington, D.C.), a brand of commuter bus service in the Washington, D.C. area operated by Martz Group
 * Metro Gold Line (Minnesota), an under construction bus rapid transit line in St. Paul, Minnesota

Retailers

 * Goldline International, a retail seller of gold and silver coins, and precious metals for investors and collectors

Zoology

 * Salema porgy (Sarpa salpa), an East Atlantic and Mediterranean fish also known as goldline
 * Goldline darter, threatened due to water quality degradation on the Cahaba River
 * Goldline blenny