Heath Wallace Miller is an American professional wrestler. He is best known for his tenure in WWE under the ring name Heath Slater, and for his tenure in Impact Wrestling, under the ring name Heath.

After debuting in 2004, Miller signed to WWE in 2006 and competed in its developmental territories Deep South Wrestling (DSW) and Florida Championship Wrestling (FCW) before appearing on the first season of NXT in 2010. He debuted on WWE's main roster later that year as a member of The Nexus, becoming a three-time WWE Tag Team Champion with fellow Nexus member Justin Gabriel in the process. In 2016, he began a storyline which saw him form a tag team with Rhyno, leading the two to become the inaugural WWE SmackDown Tag Team Champions. He is the first wrestler to have won both the SmackDown and Raw Tag Team Championships.[a] He was released from WWE in April 2020, ending a 14-year tenure with the company.

Miller signed with Impact Wrestling later that year. He would reunite with former tag team partner Rhino and win the Impact World Tag Team Championship in 2022. Overall, Miller is a five-time tag team champion between WWE and Impact.