Beckwith is a township in eastern Ontario, Canada, in the County of Lanark on the Mississippi River.

According to the 2001 Statistics Canada Census:

• Population: 6,046
• % Change (1996-2001): 10.7
• Dwellings: 2,490
• Area (sq. km.): 240.12
• Density (persons per sq. km.): 25.2

Communities

• 10th Line Shore
• Beckwith
• Blacks Corners
• Craig Shore
• Franktown
• Franktown Station
• Gillies Corners
• Hay's Shore
• McCann's Shore
• Prospect
• Rothwell's Shore
• Scotch Corners
• Tennyson