Gold Line, Gold line, or Goldline may refer to:
Transportation 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 (Mumbai Metro), a rapid transit line of the Mumbai Metro Gold Line (Dubai Metro), a rapid transit line of the Dubai Metro Gold Line (SacRT), 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 and E Line in 2023. Tokyo Metro Yūrakuchō Line, color-coded "gold", a rapid transit line in Tokyo, Japan Line 11 (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 Metro 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), a 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
Other Gold line (diving), a permanent yellow distance line leading out of the flooded section of a cave