2005 U.S. Men's Clay Court Championships – Doubles

James Blake and Mardy Fish were the defending champions, but lost in the first round this year.

Mark Knowles and Daniel Nestor won in the final 6–3, 6–4 against Martín García and Luis Horna.

Seeds
• # Mark Knowles / 🇨🇦 Daniel Nestor (champions)

• # 🇺🇸 Bob Bryan / 🇺🇸 Mike Bryan (withdrew)

• # 🇦🇺 Jordan Kerr / 🇺🇸 Graydon Oliver (first round)

• # 🇺🇸 Rick Leach / 🇺🇸 Travis Parrott (first round)