91 or Ninety-one may refer to:
91 (number), the natural number following 90 and preceding 92 the years 91 BC, AD 91, 1991, 2091 Ninety One (group), a Kazakh boy group Ninety-One (solitaire) Ninety One Limited, an Anglo-South African asset management business Protactinium, atomic number 91 91 Aegina, a main-belt asteroid The international calling code for India
Transportation List of highways numbered 91 91/Perris Valley Line, a commuter rail line Saab 91, an aircraft
Other uses 91:an, a Swedish comic 91, a 2017 album by Jamie Grace
See also
91st (disambiguation)