Krishnam Raju Gadiraju (born 24 May 1989)[1] is an Indian speedcuber[2][3] and unicyclist.

[4] On 19 October 2014, Gadiraju solved 2,176 rubik's cubes with one hand in 24 hours and entered into the Guinness World Records.

[5] On 19 October 2016, Gadiraju achieved his second Guinness World Record title after he solved 170 rubik's cubes on a unicycle, beating the former record of 117 cubes held by Owen Farmer, USA.

[5][6] Gadiraju held the world record for the fastest time to solve the Soma cube.

[7] One year later, he solved a Gear Cube in a world record time of 3.79 seconds and a Rubik's Magic blindfolded in 2.99 seconds, also a world record.