The ceremony is set to begin at 12:00 p.m. Moscow time (09:00 GMT) in the Kremlin.
The guests will include Russian government officials, members of parliament, Constitutional Court justices, Russian and foreign diplomats, as well as prominent representatives of business and show business.
The Russian presidential election took place from March 15-17. Putin was reelected with 87.28% of the vote to serve as president for a six-year term.
Sputnik will broadcast the inauguration ceremony - stay tuned!