Patrick Edward Joseph Ianni (born June 15, 1985) is an American retired professional soccer player who played as a defender.

He spent nine seasons in MLS for the Houston Dynamo, Seattle Sounders FC, and Chicago Fire.

[4] He made his Dynamo and MLS debut on June 17, 2006, coming on as a substitute in a 2–1 win over Real Salt Lake.

[9] Ianni made his debut in a continental competition on July 25, getting the start in a 1–0 victory over Club América in the North American SuperLiga.

On August 14, Ianni picked up his first career red card in the SuperLiga semifinals against Pachuca, a match Houston would lose 4–3 on penalties.

[6][14] In continental play, Ianni made 2 appearances in the 2008 CONCACAF Champions' Cup, helping the Dynamo reach the semifinal, where they lost to Saprissa 3–0 on aggregate, and five appearances in 2008–09 CONCACAF Champions League group stage, helping Houston finish 2nd in their group.

[15] He also made 3 appearances in the 2008 North American SuperLiga, helping the Dynamo reach the final, where they lost 6–5 to the New England Revolution in a penalty shoot-out.

[16][17] On January 26, 2009, Houston traded Ianni to the Seattle Sounders FC in exchange for a conditional pick in the 2010 MLS SuperDraft.

[20] On July 11 Ianni scored his first goal for the Sounders off a bicycle kick to give Seattle a 2–1 win against his former club Houston Dynamo.

[6] He ended the regular season with 1 goal and 2 assists in 17 appearances, helping the Sounders finish 3rd in the Western Conference and qualify for the playoffs.

[26] Ianni ended the regular season with 1 goal from 16 appearances, helping the Sounders finish 2nd in the conference and qualify for the playoffs.

[31][32] Ianni made 16 appearances and scored 1 goal in the MLS regular season, helping the Sounders finish 3rd in the Western Conference.

[40] Ianni made 12 league appearances and 2 in the Open Cup as Chicago finished 9th in the Eastern Conference, missing out on the playoffs.