Juan Ignacio Maegli Agüero[a] (born 21 July 1988, in Guatemala City) is a Guatemalan sailor who competed at the 2008 and 2012 Summer Olympics in the Laser class event where he finished 33rd and 9th respectively.

He competed for Guatemala at the 2016 Summer Olympics in Laser class event, where he finished 8th.

[5] He represented Guatemala at the 2020 Summer Olympics serving as a flag bearer during the Parade of Nations.

[7][8] His father Juan Maegli was also an Olympic sailor for Guatemala.

[1] This biographical article related to sailing in Guatemala is a stub.