Gonolobus is a genus of plant in family Apocynaceae, first described in 1803. It is native to South America, Central America, Mexico, the West Indies, and the southern United States.

Species: 124 species are accepted.

• Gonolobus absalonensis – Martinique
• Gonolobus albiflorus – Jalisco
• Gonolobus albomarginatus – Nicaragua to Ecuador
• Gonolobus aloiensis – St. Eustatius
• Gonolobus ancorifer – Veracruz to Honduras
• Gonolobus antennatus – Colombia and Venezuela
• Gonolobus antioquensis – Colombia
• Gonolobus aristolochiifolius – Guatemala and Chiapas
• Gonolobus aristolochioides – Venezuela
• Gonolobus arizonicus – Arizona
• Gonolobus asper – Oaxaca
• Gonolobus asterias – Costa Rica
• Gonolobus bakeri – Cuba
• Gonolobus barbatus – Veracruz to Honduras
• Gonolobus bifidus – San Luis Potosí
• Gonolobus breedlovei – Chiapas
• Gonolobus caamalii – Yucatán
• Gonolobus calcaratus – northeastern Mexico
• Gonolobus calycosus – Guatemala to Nicaragua
• Gonolobus campii – Ecuador
• Gonolobus caucanus – Cauca in Colombia
• Gonolobus cearensis – Ceará in Brazil
• Gonolobus chiapensis – Chiapas and Guatemala
• Gonolobus chiriquensis – Panama and Costa Rica
• Gonolobus chloranthus – Veracruz
• Gonolobus colombianus – Colombia
• Gonolobus croceus – Sinaloa and Nayarit
• Gonolobus cteniophorus – Veracruz to Honduras
• Gonolobus cuajayote – Chiapas, El Salvador, Nicaragua
• Gonolobus dasystephanus – Haiti
• Gonolobus dorothyanus – Rio de Janeiro
• Gonolobus dussii – Guadeloupe and Martinique
• Gonolobus edulis – Panama, Costa Rica
• Gonolobus erianthus – Nuevo León + Nayarit to Honduras
• Gonolobus eriocladon – Panama, Colombia
• Gonolobus esmeraldasianus – Ecuador
• Gonolobus espejoi – Veracruz
• Gonolobus exannulatus – Chiapas, Guatemala
• Gonolobus farenholtzii – Venezuela
• Gonolobus fimbriatiflorus – Nicaragua, Panama, Costa Rica, Ecuador
• Gonolobus fraternus – Veracruz to Honduras
• Gonolobus fuscoviolaceus – Panama, Costa Rica
• Gonolobus fuscus – Michoacán
• Gonolobus germanianus – Venezuela
• Gonolobus gonocarpos – central and southeastern United States
• Gonolobus grandiflorus – Oaxaca
• Gonolobus grayumii – Panama, Costa Rica
• Gonolobus gritensis – Cuba
• †Gonolobus haussknechtii – Mexico?
• Gonolobus heterophyllus – Costa Rica, Nicaragua, Panama
• Gonolobus hystrix – Brazil
• Gonolobus inaequalis – Panama, Honduras, Colombia
• Gonolobus incerianus – Veracruz to Nicaragua
• Gonolobus iyanolensis – St. Lucia Island in West Indies
• Gonolobus jaliscensis – Oaxaca, Jalisco
• Gonolobus lachnostomoides – Columbia
• Gonolobus lanugiflorus – Guatemala
• Gonolobus lasiostomus – Venezuela
• Gonolobus latisinuatus – Tamaulipas
• Gonolobus leianthus – Tabasco to Nicaragua
• Gonolobus lewisii – Colombia, Panama
• Gonolobus lozadae – Oaxaca
• Gonolobus luridus – Hidalgo and Veracruz
• †Gonolobus macranthus – Mexico?
• Gonolobus macrotis – Colombia
• Gonolobus manarae - Venezuela
• Gonolobus marginatus – Peru
• Gonolobus marmoreus – Colombia
• Gonolobus martinicensis – Martinique
• Gonolobus membranaceus – Haiti
• Gonolobus micranthus – Fernando de Noronha Islands of Brazil
• Gonolobus mollis – Brazil
• Gonolobus murphyae – Panama
• Gonolobus naturalistae – Chihuahua and Sinaloa
• Gonolobus nemorosus – Oaxaca
• Gonolobus niger – Veracruz to Guatemala
• Gonolobus ophioglossa – Panama, Costa Rica, Ecuador
• Gonolobus ottonis – Cuba
• Gonolobus pallidus – Chiapas
• Gonolobus parviflorus – Peru
• Gonolobus pectinatus – Puebla
• Gonolobus peruanus – Peru
• Gonolobus plowmanii – Jamaica
• Gonolobus purpureus – Peru
• Gonolobus retusus – southeastern Brazil
• Gonolobus riparius – Colombia and Venezuela
• Gonolobus roeanus – Guatemala
• Gonolobus rostratus – Brazil
• Gonolobus rotundus – Chihuahua
• Gonolobus sagasteguii – Peru
• Gonolobus salvinii – Belize, Guatemala, Honduras, El Salvador
• Gonolobus sandersii – Jalisco, Colima
• Gonolobus saraguranus – Ecuador
• Gonolobus scaber – Venezuela
• Gonolobus sororius – Jalisco
• Gonolobus spiranthus – Oaxaca
• Gonolobus stapelioides – Tobago
• Gonolobus stellatus – Jamaica
• Gonolobus stenanthus – Tabasco to Honduras
• Gonolobus stenosepalus – Chiapas, Guatemala, Honduras
• Gonolobus stephanotrichus – Cuba
• Gonolobus stipitatus – Colombia
• Gonolobus striatus – Mexico
• Gonolobus suberosus – SE + SC North America
• Gonolobus taylorianus – Central America
• Gonolobus tenuisepalus – Costa Rica
• Gonolobus tetragonus – Brazil
• Gonolobus tingens – Hidalgo
• Gonolobus tobagensis – Tobago
• Gonolobus triflorus – Oaxaca
• Gonolobus truncatifolius – Costa Rica and Panama
• Gonolobus uniflorus – Oaxaca to Honduras
• Gonolobus ustulatus – Costa Rica
• Gonolobus variabilis – Costa Rica
• Gonolobus versicolor – Veracruz to Honduras
• Gonolobus virescens – Jamaica
• Gonolobus waitukubuliensis – Dominica
• Gonolobus xanthotrichus – Veracruz
• Gonolobus youroumaynensis – St. Vincent in West Indies
• Gonolobus zuliensis – northwestern Venezuela