Smilla Vallotto (born 23 March 2004) is a footballer who plays as a midfielder for Hammarby IF in Damallsvenskan.

[3] In 2019, Vallotto made her debut in senior football for Viking in the Second Division, the domestic third tier.

[6] On 16 August 2023, Vallotto transferred to Hammarby IF in the Swedish Damallsvenskan, signing a two-and-a-half-year contract.

[7] On 1 September, she made her debut for the club in a 3–0 away win against Växjö DFF, coming on as a substitute and scoring the last goal of the game.

[8] The club won the 2023 Damallsvenskan, claiming its second Swedish championship after 38 years, with Vallotto making nine league appearances.