M/F Silja Symphony
| Route | Stockholm - Mariehamn - Helsinki |
| IMO | 8803769 |
| Building year | 1991 |
| Building yard | Masa Yard, Finland (#1309) |
| Owner | Tallinn Swedish Line |
| Operator | Silja Line |
| Length | 203,03 m |
| Breadth | 31,5 m |
| Draft | 7,1 m |
| GT | 58.377 |
| Machinery | 4 * Wärtsilä-Vasa 9R46 |
| Speed | 21 kn. |
| Number of passengers | 2.626 / 2.852 |
| Number of beds | 2.626 / 2.852 |
| Number of cars | 450 / 410 |
| Lanemetres | 950 |
| Port of registry | Stockholm |
| Flag | Sweden |
| Former names | |
| Former owners | Silja Cruises Ab (2007-2008)
Silja Oyj Asp (2003-2007) Silja Line Oy (2001-2003) Oy Svea Line Finland Ab (1991-2001) |
| Sister ships | Silja Serenade, |
| Notes | - |
- M/F Silja Symphony
Photo: Michael Koefoed-Hansen (Stockholm 23/6-2000)
- M/F Silja Symphony
Photo: Michael Koefoed-Hansen (Stockholm 23/6-2000)
- M/F Silja Symphony
Photo: Patrick Weman
- M/F Silja Symphony
Photo: Carsten Lüdtke (Helsinki 26/7-2005)
- M/F Silja Symphony
Photo: Michael Koefoed-Hansen (Stockholm 15/7-2006)
- M/F Silja Symphony
Photo: Michael Koefoed-Hansen (Stockholm 15/7-2006)
- M/F Silja Symphony
Photo: Carsten Lüdtke (Stockholm 19/5-2008)
- M/F Silja Symphony
Photo: Carsten Lüdtke (Stockholm 19/5-2008)
- M/F Silja Symphony
Photo: Michael Koefoed-Hansen (Stockholm 30/6-2013)
- M/F Silja Symphony
Photo: Paw Ragner (Stockholm 6/10-2013)
- M/F Silja Symphony
Photo: Paw Ragner (Stockholm 6/10-2013)
- M/F Silja Symphony
Photo: Paw Ragner (Stockholm 6/10-2013)
- M/F Silja Symphony
Photo: Paw Ragner (Stockholm 6/10-2013)
- M/F Silja Symphony
Photo: Paw Ragner (Stockholm 6/10-2013)
- M/F Silja Symphony
Photo: Nick Tolerton (Helsinki 9/6-2018)
- M/F Silja Symphony
Photo: Nick Tolerton (Helsinki 9/6-2018)
- M/F Silja Symphony
Photo: Martin Bezenka (Helsinki, 31/8-2022)
- M/F Silja Symphony
Photo: Martin Bezenka (Helsinki, 31/8-2022)