diff --git a/src/commands/deleteLearnedData.ts b/src/commands/deleteLearnedData.ts
new file mode 100644
index 0000000..4dc3c87
--- /dev/null
+++ b/src/commands/deleteLearnedData.ts
@@ -0,0 +1,148 @@
+import { MuffinCustomId } from '../lib/customId'
+import { Learn } from '../lib/databases'
+import { ApplyOptions } from '@sapphire/decorators'
+import { Args, Command } from '@sapphire/framework'
+import {
+  ActionRowBuilder,
+  ButtonBuilder,
+  ButtonStyle,
+  ChatInputCommandInteraction,
+  codeBlock,
+  EmbedBuilder,
+  Message,
+  MessageFlags,
+  StringSelectMenuBuilder,
+  StringSelectMenuOptionBuilder,
+} from 'discord.js'
+
+@ApplyOptions<Command.Options>({
+  name: '삭제',
+  aliases: ['잊어', '지워'],
+  description: '당신이 가르쳐준 단ㅇ어를 삭제해요.',
+  detailedDescription: {
+    usage: '머핀아 삭제 (삭제할 단어)',
+    examples: ['머핀아 삭제 머핀'],
+  },
+})
+export default class DeleteLearnedData extends Command {
+  public registerApplicationCommand(registry: Command.Registry) {
+    registry.registerChatInputCommand(builder =>
+      builder
+        .setName(this.name)
+        .setDescription(this.description)
+        .addStringOption(option =>
+          option
+            .setName('단어')
+            .setDescription('삭제할 단어를 입ㄹ력해주세요.')
+            .setRequired(true),
+        ),
+    )
+  }
+
+  public async messageRun(msg: Message<true>, args: Args) {
+    return await this._run(msg, args)
+  }
+
+  public async chatInputRun(
+    interaction: ChatInputCommandInteraction<'cached'>,
+  ) {
+    return await this._run(interaction)
+  }
+
+  private async _run(
+    ctx: Message<true> | ChatInputCommandInteraction<'cached'>,
+    args?: Args,
+  ) {
+    let command: string | undefined
+    let userId: string
+
+    if (typeof this.detailedDescription === 'string') return
+    if (ctx instanceof Message) {
+      if (!args) return
+      command = await args.rest('string').catch(() => undefined)
+      userId = ctx.author.id
+    } else {
+      command = ctx.options.getString('단어', true)
+      userId = ctx.user.id
+    }
+
+    if (!command) {
+      // 오직 메세지 커맨드로 사용하였을 때만 표출되는 오류 메세지
+      return await ctx.reply({
+        embeds: [
+          new EmbedBuilder()
+            .setTitle('❌ 오류')
+            .setDescription('올바르지 않ㅇ은 용법이에요.')
+            .addFields(
+              {
+                name: '사용법',
+                value: `\`${this.detailedDescription.usage}\``,
+              },
+              {
+                name: '예시',
+                value: this.detailedDescription
+                  .examples!.map(example => `\`${example}\``)
+                  .join('\n'),
+              },
+            )
+            .setColor(this.container.embedColors.fail),
+        ],
+      })
+    }
+
+    const datas = await Learn.find({
+      command,
+      user_id: userId,
+    })
+
+    if (!datas.length)
+      return await ctx.reply({
+        embeds: [
+          new EmbedBuilder()
+            .setTitle('❌ 오류')
+            .setDescription('해당 하는 지식ㅇ을 찾을 수 없어요.')
+            .setColor(this.container.embedColors.fail),
+        ],
+      })
+
+    const options: StringSelectMenuOptionBuilder[] = []
+    let description = ''
+
+    for (let i = 1; i <= datas.length; i++) {
+      const data = datas[i - 1]
+      options.push(
+        new StringSelectMenuOptionBuilder()
+          .setLabel(`${i}번 지식`)
+          .setDescription(data.result)
+          .setValue(MuffinCustomId.DeleteLearnedData + data.id + `&No.${i}`),
+      )
+      description += `${i}. ${data.result}\n`
+    }
+
+    return await ctx.reply({
+      embeds: [
+        new EmbedBuilder()
+          .setTitle(`${command} 삭제`)
+          .setDescription(
+            `${command}에 대한 대답 중 하나를 선ㅌ택하여 삭제해주세요.\n` +
+              codeBlock('md', description),
+          )
+          .setColor(this.container.embedColors.default),
+      ],
+      components: [
+        new ActionRowBuilder<StringSelectMenuBuilder>().addComponents(
+          new StringSelectMenuBuilder()
+            .setCustomId(MuffinCustomId.DeleteLearnedDataUserId + userId)
+            .addOptions(options)
+            .setPlaceholder('ㅈ지울 응답을 선택해주세요.'),
+        ),
+        new ActionRowBuilder<ButtonBuilder>().addComponents(
+          new ButtonBuilder()
+            .setCustomId(MuffinCustomId.DeleteLearnedDataCancel + userId)
+            .setLabel('취소하기')
+            .setStyle(ButtonStyle.Danger),
+        ),
+      ],
+    })
+  }
+}
diff --git a/src/interaction-handlers/deleteLearnedData.ts b/src/interaction-handlers/deleteLearnedData.ts
new file mode 100644
index 0000000..6442fa2
--- /dev/null
+++ b/src/interaction-handlers/deleteLearnedData.ts
@@ -0,0 +1,89 @@
+import { MuffinCustomId } from '../lib/customId'
+import { Learn } from '../lib/databases'
+import { ApplyOptions } from '@sapphire/decorators'
+import {
+  InteractionHandler,
+  InteractionHandlerTypes,
+} from '@sapphire/framework'
+import {
+  EmbedBuilder,
+  MessageFlags,
+  type ButtonInteraction,
+  type StringSelectMenuInteraction,
+} from 'discord.js'
+
+@ApplyOptions<InteractionHandler.Options>({
+  interactionHandlerType: InteractionHandlerTypes.MessageComponent,
+})
+export default class DeleteLearnedDataHandler extends InteractionHandler {
+  public async parse(
+    interaction: StringSelectMenuInteraction | ButtonInteraction,
+  ) {
+    const userId = interaction.isButton()
+      ? interaction.customId.slice(
+          MuffinCustomId.DeleteLearnedDataCancel.length,
+        )
+      : interaction.customId.slice(
+          MuffinCustomId.DeleteLearnedDataUserId.length,
+        )
+
+    if (interaction.user.id !== userId) {
+      await interaction.reply({
+        flags: [MessageFlags.Ephemeral],
+        embeds: [
+          new EmbedBuilder()
+            .setTitle('❌ 오류')
+            .setDescription('당신은 해당 권한이 없ㅇ어요.')
+            .setColor(this.container.embedColors.fail),
+        ],
+      })
+    }
+    if (interaction.isButton()) {
+      if (
+        !interaction.customId.startsWith(MuffinCustomId.DeleteLearnedDataCancel)
+      )
+        return this.none()
+      await interaction.update({
+        embeds: [
+          new EmbedBuilder()
+            .setTitle('❌ 취소')
+            .setDescription(`지식 삭제 작업ㅇ을 취소했어요.`)
+            .setColor(this.container.embedColors.fail),
+        ],
+        components: [],
+      })
+      return this.none()
+    }
+
+    if (
+      !interaction.customId.startsWith(MuffinCustomId.DeleteLearnedDataUserId)
+    )
+      return this.none()
+
+    return this.some()
+  }
+
+  public async run(interaction: StringSelectMenuInteraction) {
+    await interaction.deferUpdate()
+
+    const itemIdRegexp = /No.\d+/
+
+    const id = interaction.values[0]
+      .slice(MuffinCustomId.DeleteLearnedData.length)
+      .replace(itemIdRegexp, '')
+      .replaceAll('&', '')
+    const itemId = interaction.values[0].match(itemIdRegexp)!.join()
+
+    await Learn.findByIdAndDelete(id)
+
+    return await interaction.editReply({
+      embeds: [
+        new EmbedBuilder()
+          .setTitle('✅ 삭제 완료')
+          .setDescription(`${itemId.slice(3)}번을 삭ㅈ제했어요.`)
+          .setColor(this.container.embedColors.success),
+      ],
+      components: [],
+    })
+  }
+}
diff --git a/src/lib/customId.ts b/src/lib/customId.ts
new file mode 100644
index 0000000..e9a6ca5
--- /dev/null
+++ b/src/lib/customId.ts
@@ -0,0 +1,5 @@
+export enum MuffinCustomId {
+  DeleteLearnedData = '#muffin/deleteLearnedData$',
+  DeleteLearnedDataUserId = '#muffin/deleteLearnedData@',
+  DeleteLearnedDataCancel = '#muffin/deleteLearnedData/cancel@',
+}