Aspera
Aspera may refer to:

Music
Aspera (band), an American indie rock band
(a)spera, a 2009 album by Mirah
Above Symmetry, a Norwegian progressive metal band originally known as Aspera
"Aspera", the lead track from We Will Become Like Birds by Erin McKeown

Science
Aspera European Astroparticle network, a physics organization

Technology
Aspera (company) a file transfer software company
Analyzer of Space Plasmas and Energetic Atoms, an instrument package on the Mars Express and Venus Express spacecraft
Automatic Space Plasma Experiment with Rotating Analyzer, an instrument on board the Phobos 2 spacecraft

Biology and Anatomy
Ulmus 'Aspera', a kind of elm tree
Aspera, a nomen superfluum for the Rubiaceae genus Galium
H. aspera (disambiguation), several species of plants
Linea aspera, a bone structure in human anatomy

Other
Per aspera ad astra, a Latin phrase