Sigma Alpha Epsilon
- Members: Men
- Founded: 1856
- Colors: Purple and Gold
- Flower: Purple Violet
- Publication: SAE Record
Tennessee Eta Chapter was installed in 1857 at Union University. This chapter is the fourth oldest chapter of the organization. SAE has the longest existence of any fraternal organization on Union's campus. The expression of individuality is the most valuable characteristic of the brotherhood of SAE. The outstanding qualities of each of these individuals provide the force that unites the fraternity.