Lotte and the Moonstone Secret

{{Short description|2011 film}}

{{Use dmy dates|date=October 2019}}

{{Infobox film

| name = Lotte and the Moonstone Secret

| image =

| caption =

| director = Heiki Ernits
Janno Põldma

| producer = Riina Sildos
Kalev Tamm

| writer = Heiki Ernits
Janno Põldma
Andrus Kivirähk

| starring = Evelin Pang

| cinematography =

| editing =

| distributor = Eesti Joonisfilm

| released = {{Film date|2011|8|25|df=yes}}

| runtime = 76 minutes

| country = Estonia

| language = Estonian

| gross = $1.1 million

}}

Lotte and the Moonstone Secret ({{langx|et|Lotte ja kuukivi saladus}}) is a 2011 Estonian animated film directed by Heiki Ernits and Janno Põldma.{{cite book |title=International Film Guide 2012 |first=Ian Hayden |last=Smith |year= 2012 |isbn= 978-1908215017 |page= 111}}{{cite web|url=http://www.berlinale.de/en/archiv/jahresarchive/2012/02_programm_2012/02_filmdatenblatt_2012_20121032.php |title=Lotte ja kuukivi saladus |access-date=17 April 2012 |work=Berlin}} It is the third installment in the Lotte film series.

The film's characters first appeared in Lotte's Journey South ({{langx|et|Lotte reis lõunamaale}}), an Estonian animated TV series, containing 13 five-minute episodes. In 2006, the animated feature film Lotte from Gadgetville was released.