| Clubname: | SV Esternberg |
| Fullname: | Union Handy Shop Esternberg |
| Nickname: | Die Sauwaldveilchen (The Violets) |
| Ground: | Heinz Ertl Stadion |
| Capacity: | 1,000 |
| Chrtitle: | President |
| Chairman: | Wolfgang Ertl |
| Coach: | Josef Hamedinger |
| Website: | http://www.esternberg.com |
| League: | Upper Austrian League West, Upper Austria |
| Season: | 2023–24 |
| Position: | 10th |
| Leftarm1: | 551A8B |
| Body1: | 551A8B |
| Rightarm1: | 551A8B |
| Shorts1: | 551A8B |
| Socks1: | 551A8B |
| Leftarm2: | 000000 |
| Body2: | ddf607 |
| Rightarm2: | 000000 |
| Shorts2: | ddf607 |
| Socks2: | ddf607 |
Union sports club Esternberg (SVE) is an Austrian association football club based in Esternberg. With the incorporation of the sponsor of the club is currently the official name Union Handyshop Esternberg. The club's colors are violet and white.
The SVE was founded on July, 20th 1952. In the years 1952 to 1954 only friendly matches and cup tournaments were contested. Entry into the regular championship began the SVE in the 1955–56 season in the Upper Austrian 3rd Class C 1, which was finished on the 9th position.
The biggest success was winning the Upper Austrian League 1995–96 and the associated rise in the Austrian Regional League Central (third highest league in Austria).
Currently, the club plays in the Upper Austrian League West (5th power level).
The home games of the SVE will be played at Heinz Ertl Stadium, which was named after the founding member and longtime president Heinz Ertl († April 9, 2014).
The youth section of the SVE organizes since 1992 each year the Juniors Indoor Soccer Cup for all age groups in the youth field in the Sports Hall of Schärding.
Now, with nine days of the tournament and over 200 teams participating each year, this is one of the largest youth tournaments in Austria.
Visiting teams from 21 nations were already as Austria, Belgium, Brazil, China, Croatia, Czech Republic, Denmark, England, Finland, France, Germany, Hungary, Netherlands, Norway, Poland, Romania, Scotland, Slovakia, Slovenia, Spain and Switzerland.