Rob Delaney is an American comedian, actor, writer, and activist. He was the co-star and co-writer of the TV show Catastrophe, and has appeared in comedy films such as Deadpool 2 (2018) and Tom & Jerry (2021).

Catastrophe is a British television sitcom first broadcast on 19 January 2015 on Channel 4. It is created, written by, and stars Sharon Horgan and Rob Delaney, who portray single people Sharon and Rob who become a couple after Sharon unexpectedly becomes pregnant following a fling while Rob is visiting London on a business trip. Carrie Fisher, Ashley Jensen and Mark Bonnar play supporting characters in the series.