Diogo Carvalho (born 26 March 1988 in Coimbra[1]) is a Portuguese swimmer.

He competed in the 200 and 400 m individual medleys at the 2012 Summer Olympics.

[1] He competed in the 200 m individual medley at the 2016 Summer Olympics.

[2] He currently holds 9 individual national records, 6 short course (200 m freestyle, 50, 100 and 200 metres butterfly and 200 and 400 metres medleys) and 2 long course (100 fly and the 200 m medley).

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