Romersa is a surname. It may refer to:

• Joe Romersa (born 1956), American songwriter, drummer, multi-instrumentalist, producer, sound engineer and vocalist
• Jos Romersa (1915–2016), Luxembourgian gymnast and Olympian
• Luigi Romersa (1917-2007), Italian journalist, writer and war correspondent

• Fumi Ueda
• Fumiya
• Fumiya Araki
• Fumiya Hojo
• Fumiya Tanaka
• Fumiyo Kohinata
• Fumiyuki Kanda
• Fumizuki
• Fumizuki (disambiguation)
• FUML
• Fum language
• Fumo di Londra
• Fumo Madi
• Fumomadi
• Fumonelix
• Fumonisin B1 acylhydrolase
• Fumonisin B1 esterase
• Fumontana deprehendor
• FuMP
• Fumsup
• Fumu dialect
• Fumu language
• Fumun
• Fumureni
• Fumée