The women's 73 kg powerlifting event at the 2016 Summer Paralympics was contested on 12 September at Riocentro Pavilion 2.

[1] The best outcome out of three attempts counted as the final results.

The athlete who placed first in each event was allowed a fourth attempt to break the Paralympic or world record.

There are twenty powerlifting events, corresponding to ten weight classes each for men and women.

As a result, no Paralympic record was available for this weight class prior to the competition.