Reto Keller (born 4 June 1994 in Münsingen)[1] is a Swiss curler from Bern.

Keller threw fourth stones for the Swiss junior team (skipped by Yannick Schwaller) at the 2014 World Junior Curling Championships, winning a gold medal.

Keller was invited to be the alternate on the Swiss team at the 2015 World Junior Curling Championships.

The team won a silver medal, though Keller didn't play in any matches.

They represented Switzerland at the 2015 Ford World Men's Curling Championship, finishing in 7th place.