Jozeph Johannes Gerardus Marinus "Jos" Lansink (born 19 March 1961 in Weerselo) is an equestrian from the Netherlands, currently representing Belgium, who competes in the sport of show jumping.

He first rode in the 1988 Seoul Olympics, tying for 7th individually and taking 5th with his team.

In 1992 at the Barcelona Olympics he did not place individually, but the Dutch team won the gold.

In 2000 in Sydney he tied for 20th place while riding for the Netherlands for the last time, and his team took 7th.

He began to rise to international prominence in 1988 on Felix, winning a few grand prix competitions before taking part in the 1988 Olympic Games.