| Club: | Seattle Sounders FC 2 |
| Season: | 2016 |
| League: | USL |
| Chrtitle: | General manager |
| Chairman: | Andrew Opatkiewicz |
| Mgrtitle: | Head coach |
| Manager: | Ezra Hendrickson |
| Stadium: | Starfire Sports Complex |
| League Result: | Conference: 12th |
| Cup1: | USL Playoffs |
| Cup1 Result: | DNQ |
| Highest Attendance: | 1,835 |
| Lowest Attendance: | 1,182 |
| Average Attendance: | 1,401 |
| League Topscorer: | Darwin Jones (7) |
| Pattern B1: | _SOUNDERS_15h |
| Pattern So1: | _SOUNDERS_15h |
| Leftarm1: | 005294 |
| Body1: | 83C552 |
| Rightarm1: | 005294 |
| Shorts1: | 005294 |
| Socks1: | 83C552 |
| Pattern La2: | _SOUNDERS_15a |
| Pattern B2: | _SOUNDERS_15a |
| Pattern Ra2: | _SOUNDERS_15a |
| Pattern Sh2: | _SOUNDERS_15a |
| Pattern So2: | _color_3_stripes_on_white |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | FFFFFF |
| Socks2: | 83C552 |
| Pattern B3: | _vneck |
| Pattern Sh3: | _petrolul_13-14_home |
| Pattern So3: | _band_blue |
| Leftarm3: | 003366 |
| Body3: | 003366 |
| Rightarm3: | 003366 |
| Shorts3: | 99CCFF |
| Socks3: | 003366 |
| American: | true |
| Prevseason: | 2015 |
| Nextseason: | 2017 |
The 2016 Seattle Sounders FC 2 season was the club's second year of existence, and their second season in the United Soccer League, the third tier of the United States soccer pyramid. Including previous Seattle Sounders franchises, it was the 36th season of a soccer team playing in the Seattle metro area.
See main article: 2016 USL season.