diff --git a/packages/nodes-base/nodes/Aws/SES/AwsSes.node.ts b/packages/nodes-base/nodes/Aws/SES/AwsSes.node.ts
index 1482c0aa08f8b..c01a3b4b0ed6a 100644
--- a/packages/nodes-base/nodes/Aws/SES/AwsSes.node.ts
+++ b/packages/nodes-base/nodes/Aws/SES/AwsSes.node.ts
@@ -1081,16 +1081,11 @@ export class AwsSes implements INodeType {
 
 					if (operation === 'sendTemplate') {
 						const toAddresses = this.getNodeParameter('toAddresses', i) as string[];
-
 						const template = this.getNodeParameter('templateName', i) as string;
-
 						const fromEmail = this.getNodeParameter('fromEmail', i) as string;
-
 						const additionalFields = this.getNodeParameter('additionalFields', i);
-
 						const templateDataUi = this.getNodeParameter('templateDataUi', i) as IDataObject;
-
-						const params = [`Template=${template}`, `Source=${fromEmail}`];
+						const params = [`Template=${template}`, `Source=${encodeURIComponent(fromEmail)}`];
 
 						if (toAddresses.length) {
 							setParameter(params, 'Destination.ToAddresses.member', toAddresses);
@@ -1150,7 +1145,7 @@ export class AwsSes implements INodeType {
 									//@ts-ignore
 									templateData[templateDataValue.key] = templateDataValue.value;
 								}
-								params.push(`TemplateData=${JSON.stringify(templateData)}`);
+								params.push(`TemplateData=${encodeURIComponent(JSON.stringify(templateData))}`);
 							}
 						}
 
@@ -1176,13 +1171,15 @@ export class AwsSes implements INodeType {
 						const additionalFields = this.getNodeParameter('additionalFields', i);
 
 						const params = [
-							`Template.TemplateName=${templateName}`,
-							`Template.SubjectPart=${subjectPart}`,
-							`Template.HtmlPart=<h1>${htmlPart}</h1>`,
+							`Template.TemplateName=${encodeURIComponent(templateName)}`,
+							`Template.SubjectPart=${encodeURIComponent(subjectPart)}`,
+							`Template.HtmlPart=${encodeURIComponent(htmlPart)}`,
 						];
 
 						if (additionalFields.textPart) {
-							params.push(`Template.TextPart=${additionalFields.textPart}`);
+							params.push(
+								`Template.TextPart=${encodeURIComponent(additionalFields.textPart as string)}`,
+							);
 						}
 
 						responseData = await awsApiRequestSOAP.call(
@@ -1256,18 +1253,24 @@ export class AwsSes implements INodeType {
 
 						const updateFields = this.getNodeParameter('updateFields', i);
 
-						const params = [`Template.TemplateName=${templateName}`];
+						const params = [`Template.TemplateName=${encodeURIComponent(templateName)}`];
 
 						if (updateFields.textPart) {
-							params.push(`Template.TextPart=${updateFields.textPart}`);
+							params.push(
+								`Template.TextPart=${encodeURIComponent(updateFields.textPart as string)}`,
+							);
 						}
 
 						if (updateFields.subjectPart) {
-							params.push(`Template.SubjectPart=${updateFields.subjectPart}`);
+							params.push(
+								`Template.SubjectPart=${encodeURIComponent(updateFields.subjectPart as string)}`,
+							);
 						}
 
 						if (updateFields.subjectPart) {
-							params.push(`Template.HtmlPart=${updateFields.htmlPart}`);
+							params.push(
+								`Template.HtmlPart=${encodeURIComponent(updateFields.htmlPart as string)}`,
+							);
 						}
 
 						responseData = await awsApiRequestSOAP.call(
diff --git a/packages/nodes-base/nodes/Aws/SES/test/AwsSes.node.test.ts b/packages/nodes-base/nodes/Aws/SES/test/AwsSes.node.test.ts
index dfd4005fe32e0..68d48556985bd 100644
--- a/packages/nodes-base/nodes/Aws/SES/test/AwsSes.node.test.ts
+++ b/packages/nodes-base/nodes/Aws/SES/test/AwsSes.node.test.ts
@@ -90,6 +90,96 @@ describe('AwsSes Node', () => {
 				],
 			},
 		},
+		{
+			description: 'should URIencode params for sending email with template',
+			input: {
+				workflowData: {
+					nodes: [
+						{
+							parameters: {},
+							type: 'n8n-nodes-base.manualTrigger',
+							typeVersion: 1,
+							position: [-180, 520],
+							id: '363e874a-9054-4a64-bc3f-786719dde626',
+							name: "When clicking 'Test workflow'",
+						},
+						{
+							parameters: {
+								operation: 'sendTemplate',
+								templateName: '=Template11',
+								fromEmail: 'test+user@example.com',
+								toAddresses: ['test+user@example.com'],
+								templateDataUi: {
+									templateDataValues: [
+										{
+											key: 'Name',
+											value: '=Special. Characters @#$%^&*()_-',
+										},
+									],
+								},
+								additionalFields: {},
+							},
+							type: 'n8n-nodes-base.awsSes',
+							typeVersion: 1,
+							position: [60, 520],
+							id: '13bbf4ef-8320-45d1-9210-61b62794a108',
+							name: 'AWS SES4',
+							credentials: {
+								aws: {
+									id: 'Nz0QZhzu3MvfK4TQ',
+									name: 'AWS account',
+								},
+							},
+						},
+					],
+					connections: {
+						"When clicking 'Test workflow'": {
+							main: [
+								[
+									{
+										node: 'AWS SES4',
+										type: NodeConnectionType.Main,
+										index: 0,
+									},
+								],
+							],
+						},
+					},
+				},
+			},
+			output: {
+				nodeExecutionOrder: ['Start'],
+				nodeData: { 'AWS SES': [[{ json: { success: 'true' } }]] },
+			},
+			nock: {
+				baseUrl: 'https://email.eu-central-1.amazonaws.com',
+				mocks: [
+					{
+						method: 'post',
+						path: '/',
+						requestBody: (body: any) => {
+							assert.deepEqual(qs.parse(body), {
+								Action: 'SendTemplatedEmail',
+								TemplateName: '=Template11',
+								Source: encodeURIComponent('test+user@example.com'),
+								Destination: {
+									ToAddresses: [encodeURIComponent('test+user@example.com')],
+								},
+								TemplateData: encodeURIComponent(
+									JSON.stringify({
+										Name: '=Special. Characters @#$%^&*()_-',
+									}),
+								),
+							});
+							return true;
+						},
+						statusCode: 200,
+						responseBody:
+							'<SendTemplatedEmailResponse><success>true</success></SendTemplatedEmailResponse>',
+					},
+				],
+			},
+		},
 	];
 
 	const nodeTypes = Helpers.setup(tests);