||This biographical article needs additional citations for verification. (February 2011)|
|Full name||Marian Georgiev Ognyanov|
|Date of birth||30 July 1988|
|Place of birth||Lom, Bulgaria|
|Height||1.82 m (5 ft 11 1⁄2 in)|
|2009||→ Belasitsa Petrich (loan)||13||(3)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 22 April 2015.
† Appearances (Goals).
Ognyanov has been playing for Levski Sofia since 2004. On 27 September 2006, Ognyanov scored the first goal of a Bulgarian team in the UEFA Champions League group stage during Levski Sofia's 1-3 defeat by Chelsea F.C. at home. 
Until 2007/2008, has played mainly as a substitute. Anyway after the biggest clearance sale at the winter transfer season, until the 2007/2008 season, Ognyanov started to play often.
He has been loaned since 27 January 2009 by PFC Belasitsa Petrich.  He played for Belasitsa until the end of 08/09 season. Ognyanov scored a goal for Belasitsa on 10 May 2009 against Lokomotiv Sf. Despite this, the result of the match was 2:4 with a home lose for Bela. In Belasitsa he capped 14 times and scored 3 goals.  After the end of 08/09 season, Ognyanov returned to Levski Sofia.
Return to Levski Sofia
Ognyanov re-debuted for Levski on 21 July 2009 in the second match of the 2nd Qualifying round of UEFA Champions League, where Levski beat the team of UE Sant Julià. The result of the match was 0:5 with an away win for Levski. Ognyanov scored two of the goals in the 23rd and the 39th minute.
Although Botev Plovdiv signed with a lot of new players Ognyanov remained a key player during season 2012-13. He participated in 28 matches in A Grupa and scored 6 goals. Botev Plovdiv finished the season on the 4th place.
Botev Plovdiv was allowed to participate in the UEFA Europa League despite finishing on 4th place of A Grupa during the previous season because of the financial troubles at CSKA Sofia. Marian particiapted in all six games of the team in the tournament and demonstrated an excellent partnership on the field with Todor Nedelev. During the European campaign Ognyanov scored two goals in the home wins against FC Astana and HŠK Zrinjski Mostar.
Botev Plovdiv finished again on the 4th place of A Grupa and lost the final for the Bulgarian Cup. Despite the loss Botev Plovdiv qualified for UEFA Europa League. Ognyanov played in 5 games for the Bulgarian Cup and 27 games in A Grupa as a defensive midfielder. He scored one goal in each home win against Pirin Gotse Delchev and CSKA Sofia.
Ognyanov scored twice against A.C. Libertas in the 4-0 home win in the first qualifying round of 2014–15 UEFA Europa League. He participated again in all four games of Botev Plovdiv in the UEFA Europa League and made three assists. With four goals Marian shares the third place in the list of top goalscorers for Botev Plovdiv in the European football tournaments.
On 23 September Marian Ognyanov scored the second goal for the 0-4 away win against Lokomotiv Mezdra in the first round of the Bulgarian Cup tournament. In the next round of the Bulgarian Cup Marian assisted for the late equalizer of Aleksandar Kolev against Lokomotiv Plovdiv. 
As of 26 November 2014 Marian Ognyanov was the player with most assists during the season so far in Bulgaria. He assisted for 6 goals in A Grupa as well as for 4 goals in other official tournaments.
Ognyanov started 2015 with a fabulous goal and an assist for the 3-0 home win over PFC Marek Dupnitsa. On 10 March Marian was again among the best players on the pitch in the next round of A Grupa. Ognyanov prove his creativity and passing abilities and was involved in both goals for the 0-2 away win in the derby match against the local rivals Lokomotiv Plovdiv. Ognyanov missed the game with CSKA Sofia due to a ban, and on 22 March he was again in the starting lineup for 0-0 draw with Ludogorets Razgrad.  On 18 April Ognyanov scored a goal for the 1-1 draw with Beroe Stara Zagora.
As of 14 December 2014[update]
|Levski Sofia||A Group||2004–05||4||2||1||0||0||0||–||5||2|
|Botev Plovdiv||B Group||2011–12||10||0||–||–||–||10||0|
- Includes Bulgarian Supercup matches.
- UEFA Champions League 2006/07 - History - Levski-Chelsea
- Мариян Огнянов в Беласица до края на сезона
- Беласица - Локомотив (Сф) 2:4
- Мариян Огнянов
- Огнянов напусна лагера на Беласица
- Five-star Levski overwhelm Sant Julià
- Огнянов подписа за 2,5 години
- Мариян Огнянов
- 2013/14 UEFA Europa League list of participants
- УЕФА позволи на Ботев Пд да замести ЦСКА в ЛЕ
- UEFA Europa League 2013/14 - History - Botev Plovdiv-Astana
- >UEFA Europa League 2013/14 - History - Botev Plovdiv-Zrinjski
- Мариян Огнянов
- Ботев вкара 7 на Пирин ГД
- Ботев на трето място след победа над ЦСКА
- Мариян Огнянов: Всички сме виновни, че не издържахме
- Ботев разби Либертас с 4:0 в първи мач в ЛЕ
- Мариян Огнянов на два гола от рекорд на Гунди
- Ботев с убедителен старт за Купата - 4 безответни гола в Мездра
- Равенство в първия мач с Локомотив за Купата
- Мариян Огнянов наравно с Роналдо и Ди Мария по асистенции
- Ботев започна пролетта с класика над Марек
- Ботев сгази Локо в калта на Лаута
- Ботев с минимална загуба от Лудогорец
- Ботев изпусна Берое
- "Macedonia vs. Bulgaria Matchcast". topsport.bg. 15 August 2013.
- Ботев загуби на финала, играем в Лига Европа през юли
- Ботев загуби от Лудогорец във финала за Суперкупата
- Ognyanov career statistics at levskisofia.info