diff --git a/libs/community/langchain_community/llms/loading.py b/libs/community/langchain_community/llms/loading.py
index c9621b784df..f410f7b7c6c 100644
--- a/libs/community/langchain_community/llms/loading.py
+++ b/libs/community/langchain_community/llms/loading.py
@@ -35,7 +35,7 @@ def load_llm(file: Union[str, Path]) -> BaseLLM:
     if file_path.suffix == ".json":
         with open(file_path) as f:
             config = json.load(f)
-    elif file_path.suffix == ".yaml":
+    elif file_path.suffix.endswith((".yaml", ".yml")):
         with open(file_path, "r") as f:
             config = yaml.safe_load(f)
     else:
diff --git a/libs/core/langchain_core/language_models/llms.py b/libs/core/langchain_core/language_models/llms.py
index ec2af1b91e0..36d94353251 100644
--- a/libs/core/langchain_core/language_models/llms.py
+++ b/libs/core/langchain_core/language_models/llms.py
@@ -1120,7 +1120,7 @@ class BaseLLM(BaseLanguageModel[str], ABC):
         if save_path.suffix == ".json":
             with open(file_path, "w") as f:
                 json.dump(prompt_dict, f, indent=4)
-        elif save_path.suffix == ".yaml":
+        elif save_path.suffix.endswith((".yaml", ".yml")):
             with open(file_path, "w") as f:
                 yaml.dump(prompt_dict, f, default_flow_style=False)
         else:
diff --git a/libs/core/langchain_core/prompts/base.py b/libs/core/langchain_core/prompts/base.py
index 51eddf0f771..96cfbf63740 100644
--- a/libs/core/langchain_core/prompts/base.py
+++ b/libs/core/langchain_core/prompts/base.py
@@ -221,7 +221,7 @@ class BasePromptTemplate(
         if save_path.suffix == ".json":
             with open(file_path, "w") as f:
                 json.dump(prompt_dict, f, indent=4)
-        elif save_path.suffix == ".yaml":
+        elif save_path.suffix.endswith((".yaml", ".yml")):
             with open(file_path, "w") as f:
                 yaml.dump(prompt_dict, f, default_flow_style=False)
         else:
diff --git a/libs/core/langchain_core/prompts/loading.py b/libs/core/langchain_core/prompts/loading.py
index dd6e0c35478..baa56a5666d 100644
--- a/libs/core/langchain_core/prompts/loading.py
+++ b/libs/core/langchain_core/prompts/loading.py
@@ -146,7 +146,7 @@ def _load_prompt_from_file(file: Union[str, Path]) -> BasePromptTemplate:
     if file_path.suffix == ".json":
         with open(file_path) as f:
             config = json.load(f)
-    elif file_path.suffix == ".yaml":
+    elif file_path.suffix.endswith((".yaml", ".yml")):
         with open(file_path, "r") as f:
             config = yaml.safe_load(f)
     else:
diff --git a/libs/experimental/langchain_experimental/data_anonymizer/presidio.py b/libs/experimental/langchain_experimental/data_anonymizer/presidio.py
index f9b35788b08..fbfad3703e7 100644
--- a/libs/experimental/langchain_experimental/data_anonymizer/presidio.py
+++ b/libs/experimental/langchain_experimental/data_anonymizer/presidio.py
@@ -428,7 +428,7 @@ class PresidioReversibleAnonymizer(PresidioAnonymizerBase, ReversibleAnonymizerB
         if save_path.suffix == ".json":
             with open(save_path, "w") as f:
                 json.dump(self.deanonymizer_mapping, f, indent=2)
-        elif save_path.suffix == ".yaml":
+        elif save_path.suffix.endswith((".yaml", ".yml")):
             with open(save_path, "w") as f:
                 yaml.dump(self.deanonymizer_mapping, f, default_flow_style=False)
 
@@ -452,7 +452,7 @@ class PresidioReversibleAnonymizer(PresidioAnonymizerBase, ReversibleAnonymizerB
         if load_path.suffix == ".json":
             with open(load_path, "r") as f:
                 loaded_mapping = json.load(f)
-        elif load_path.suffix == ".yaml":
+        elif load_path.suffix.endswith((".yaml", ".yml")):
             with open(load_path, "r") as f:
                 loaded_mapping = yaml.load(f, Loader=yaml.FullLoader)
 
diff --git a/libs/experimental/langchain_experimental/prompts/load.py b/libs/experimental/langchain_experimental/prompts/load.py
index a7322565778..51efdc98db5 100644
--- a/libs/experimental/langchain_experimental/prompts/load.py
+++ b/libs/experimental/langchain_experimental/prompts/load.py
@@ -30,7 +30,7 @@ def _load_prompt_from_file(file: Union[str, Path]) -> BasePromptTemplate:
     if file_path.suffix == ".json":
         with open(file_path) as f:
             config = json.load(f)
-    elif file_path.suffix == ".yaml":
+    elif file_path.suffix.endswith((".yaml", ".yml")):
         with open(file_path, "r") as f:
             config = yaml.safe_load(f)
     elif file_path.suffix == ".py":
diff --git a/libs/langchain/langchain/agents/agent.py b/libs/langchain/langchain/agents/agent.py
index 8bd7b6d478a..e6f9df49398 100644
--- a/libs/langchain/langchain/agents/agent.py
+++ b/libs/langchain/langchain/agents/agent.py
@@ -185,7 +185,7 @@ class BaseSingleActionAgent(BaseModel):
         if save_path.suffix == ".json":
             with open(file_path, "w") as f:
                 json.dump(agent_dict, f, indent=4)
-        elif save_path.suffix == ".yaml":
+        elif save_path.suffix.endswith((".yaml", ".yml")):
             with open(file_path, "w") as f:
                 yaml.dump(agent_dict, f, default_flow_style=False)
         else:
@@ -310,7 +310,7 @@ class BaseMultiActionAgent(BaseModel):
         if save_path.suffix == ".json":
             with open(file_path, "w") as f:
                 json.dump(agent_dict, f, indent=4)
-        elif save_path.suffix == ".yaml":
+        elif save_path.suffix.endswith((".yaml", ".yml")):
             with open(file_path, "w") as f:
                 yaml.dump(agent_dict, f, default_flow_style=False)
         else:
diff --git a/libs/langchain/langchain/chains/base.py b/libs/langchain/langchain/chains/base.py
index dc665ae9978..1bb6d1636b2 100644
--- a/libs/langchain/langchain/chains/base.py
+++ b/libs/langchain/langchain/chains/base.py
@@ -687,7 +687,7 @@ class Chain(RunnableSerializable[Dict[str, Any], Dict[str, Any]], ABC):
         if save_path.suffix == ".json":
             with open(file_path, "w") as f:
                 json.dump(chain_dict, f, indent=4)
-        elif save_path.suffix == ".yaml":
+        elif save_path.suffix.endswith((".yaml", ".yml")):
             with open(file_path, "w") as f:
                 yaml.dump(chain_dict, f, default_flow_style=False)
         else:
diff --git a/libs/langchain/langchain/chains/loading.py b/libs/langchain/langchain/chains/loading.py
index 0675b87141a..0fc3da3f499 100644
--- a/libs/langchain/langchain/chains/loading.py
+++ b/libs/langchain/langchain/chains/loading.py
@@ -607,7 +607,7 @@ def _load_chain_from_file(file: Union[str, Path], **kwargs: Any) -> Chain:
     if file_path.suffix == ".json":
         with open(file_path) as f:
             config = json.load(f)
-    elif file_path.suffix == ".yaml":
+    elif file_path.suffix.endswith((".yaml", ".yml")):
         with open(file_path, "r") as f:
             config = yaml.safe_load(f)
     else: