Diana Alekseyeva Yakovleva (Russian: Диана Алексеевна Яковлева; born 13 April 1988) is a Russian foil fencer, silver medal in the 2014 European Fencing Championships and team silver medal in the 2014 World Fencing Championships.

She reached the final at the European Championships in Zagreb, but ceded to reigning Olympic champion Elisa Di Francisca and came away with a silver medal.

In the team event, Russia were defeated by France in the semi-finals, but prevailed over South Korea to earn the bronze medal.

She reached the quarter-finals in Saint-Petersbourg and Marseille, but ceded in the first round of the European Championships against France's Ysaora Thibus.

[4] In the World Championships at home in Kazan, she sustained a bruise to her knee and was stopped in the second round by Korea's Oh Ha-na.