Malou Marcetto Rylov (born 16 April 2003) is a Danish professional footballer who plays as a midfielder for Women's Super League club London City Lionesses.
Marcetto made a total of 40 league appearances for Liga F club Madrid CFF, scoring 5 goals.
On 3 February 2026, it was announced that Marcetto had joined WSL club London City Lionesses on a two-and-a-half year contract, with Marcetto saying of the move "I'm really excited to be here and get started. In terms of my playing style, as a midfielder, I like to be creative and also work hard."