I Didn't Know

{{Short description|Song by Serhat}}

{{About|the Serhat song|the Meja cover of the Everything but the Girl song|I Didn't Know I Was Looking for Love|other uses}}

{{Refimprove|date=May 2023}}

{{Infobox song

| name = I Didn't Know

| cover =

| alt =

| type = single

| artist = Serhat

| EP = I Didn't Know (Eurovision Song Contest 2016)

| released = {{Start date|2016|3|9|df=yes}}

| format =

| recorded =

| studio =

| venue =

| genre =

| length =

| label = CAP-Sounds

| writer = {{unbulleted list|Olcayto Ahmet Tuğsuz|

Nektarios Tyrakis}}

| producer =

| prev_title = Je m'adore

| prev_year = 2014

| next_title = Total Disguise

| next_year = 2018

| misc = {{External music video|{{YouTube|HzPkDb2FSeg|"I Didn't know (live performance)"}}}}

{{Infobox song contest entry

| embed = yes

| image =

| caption =

| year = 2016

| country = San Marino

| artist = Serhat

| language = English

| languages =

| composer = Olcayto Ahmet Tuğsuz

| lyricist = Nektarios Tyrakis

| conductor =

| place =

| points =

| place_semi = 12th

| points_semi = 68

| prev = Chain of Lights

| prev_year = 2015

| prev_link = Chain of Lights

| next = Spirit of the Night

| next_year = 2017

| next_link = Spirit of the Night

}}

}}

"I Didn't Know" is a song by Turkish singer, producer and television presenter Serhat. The song was composed by Olcayto Ahmet Tuğsuz with the lyrics written by Nektarios Tyrakis. It was released on 9 March 2016, and represented San Marino in the Eurovision Song Contest 2016.{{cite web|last1=Granger|first1=Anthony|url=http://eurovoix.com/2016/03/09/san-marino-reveal-song-eurovision-2016/|title=San Marino reveal their song for Eurovision 2016|website=Eurovoix.com|access-date=9 March 2016|date=9 March 2016}} Later in March it was decided that the original version would be replaced by the disco version in the contest.Gordon Roxburgh [http://www.eurovision.tv/page/news?id=san_marino_changes_to_disco_version_of_i_didnt_know_for_contest "San Marino changes to disco version of ‘I didn’t know’ for contest"] on Eurovision.tv 21 March 2016. The song was performed by Serhat, who was selected internally by the Sammarinese national broadcaster San Marino RTV (SMRTV) to represent San Marino in the 2016 contest in Stockholm, Sweden.

Serhat represented San Marino performing in the first semi-final held on May 10, but failed to qualify to the May 14, 2016 final. In 2018, the song was recorded with American singer Martha Wash.