Compana may refer to:

• an American barley cultivar
• Santa Compaña, a deep-rooted mythical belief in rural Galicia and Asturias, Spain

• Typha pallida
• Typha przewalskii
• Typha shuttleworthii
• Typha sistanica
• Typha subulata
• Typha tichomirovii
• Typha turcomanica
• Typha tzvelevii
• Typha valentinii
• Typha varsobica
• Typha × argoviensis
• Typha × bavarica
• Typha × gezei
• Typha × provincialis
• Typha × smirnovii
• Typha × suwensis
• Typhedanus crameri
• Typherix
• Typhia
• Typhimurium peptidase B
• Typhinae
• Typhlachirus
• Typhlachirus caecus
• Typhlacontias brevipes
• Typhlatta