The Swimming competition in the 2009 Asian Youth Games was held in the Singapore Sports School in Singapore between 2 and 6 July 2009.

Each country was limited to having 6 boys and 6 girls compete during the entire competition.

[1] 4–5 July 5–6 July 3 July 2 July 5–6 July 2–3 July 4 July 2–3 July 3–4 July 6 July 3–4 July 4–5 July 2 July 5 July 3 July 5 July 4–5 July 5–6 July 3 July 2 July 5–6 July 2–3 July 4 July 2–3 July 3–4 July 6 July 3–4 July 4–5 July 2 July 5 July 6 July 4 July