Raika may refer to:

People , Japanese former synchronized swimmer , Japanese female professional boxer and mixed martial artist

Places Raika State, was a minor princely state during the British Raj Rayka Mehwa, a village and former princely state in Gujarat, western India

Others Raika Dōmei, a group of three Japanese photographers the Rabari or Raika, an camel herder community, mainly in Rajasthan, Gujarat, Haryana, Punjab and Sindh province in Pakistan